what does presentation period mean

Field 48 (‘Period for presentation in days’) in Letter of Credit (L/C)

F48 is an optional field in MT700 swift message of Documentary letter of credit.

F48 (Period of Presentation) field defines the period of time in calendar days by which the presentation of documents should be made in the negotiating bank. The beneficiary will do the presentation/negotiation to get the payment.

From the F44C(Latest Date of Shipment) , the countdown will start. Normally the period is up to the LC expiry date mentioned in F31D(Date and Place of Expiry).

The date can be mentioned 7,10,14,21 any days as agreed between buyer and seller but not later than the LC expiry date.

If the field is not mentioned in the documentary credit then a default of 21 days is considered. But must not exceed the expiry date as I told you earlier.

Within this presentation period, the beneficiary submits negotiable documents mentioned in 46A(Documents Required)   to the presenting bank as per instruction in F41D or F41A(Available With..By…)

As a common practice, LC  validity is kept 90days (one quarter) to maintain the same charge. In that case, the latest date of shipment is mentioned as 69 days. The presentation period is 21 days if there’s no specific requirement from the buyer or seller.

The presentation can be both Electronic records or paper documents.

Do you have any thoughts about this? let me know in the comments.

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3 thoughts on “ field 48 (‘period for presentation in days’) in letter of credit (l/c) ”.

Is it possible for a period of presentation in an L/C to exceed 21 days? Let’s say 60 days from bill of lading date but within the LC validity.

Can F48 be 31, after bill of lading date? Thanks.

Hi Eddie, F48 is an optional field that comes after F71D (charges) as per SWIFT format. can you share more about your inquiry?

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Passages The International Trade Blog

The hidden expiration date on every export letter of credit.

However, another date equal in importance is referred to as the last date for presentation. The presentation period—the window of time in which the exporter must present documents—is tied to the ship date as indicated in the original transport document.

Letter of Credit Presentation Period

A letter of credit includes terminology similar to “documents must be presented within 10 days after the bill of lading date but within the validity of the letter of credit.” For example, if the shipment took place on January 1, documents must be presented no later than January 11 or the expiration date if earlier. If the expiration date is January 5, documents must be presented by January 5, not the 11th.

Some letters of credit require a presentation period of seven days, some 15, etc. If the letter of credit does not state a presentation date, the exporter has 21 days according to UCP Article 14c. Exporters should be aware of this requirement and feel confident they can work within the stated time period. If not, they should request an amendment.

Why does a letter of credit include these time requirements? The importer stipulates them because a delay in presentation can create problems. When the goods arrive at the customs entry point, the importer needs the documents to clear the goods. If not cleared in a timely manner, the goods will go into storage and incur daily charges.

With a short presentation period, the importer can force the exporter to deliver the documents to the bank quickly. Once the documents enter banking channels, they will find their way to the importer in due time for customs clearance.

An alert exporter, however, must ask several key questions:

• How quickly after shipment can the documents be assembled and presented to the bank?
• Can unusual situations cause delays?
• Can the consular's signature be obtained (for a specific country) within the time limit?

Some consulates are located in distant cities and only sign documents once a week. If the appointed day for signing documents falls on a holiday, in either country involved in the transaction, then one more week must be added to the time frame. While 10, 15 or even 21 days may seem like adequate time, it can slip away quickly.

Like what you read?   Subscribe today   to the International Trade Blog to get the latest news and tips for exporters and importers delivered to your inbox.

This article was first published in December 2014 and has been updated to include current information, links and formatting.

About the Author: Roy Becker

Roy Becker was President of Roy Becker Seminars based in Centennial, Colorado. His company specialized in educating companies how to mitigate the financial risk of importing and exporting. Previous to starting the training company, Roy had over 30 years experience working in the international departments of several banks where he assisted many importers and exporters with the intricate banking needs associated with international trade.

Roy served as adjunct faculty in the International MBA programs at the University of Denver and University of Colorado in Denver. He conducted seminars at the World Trade Center Denver and The Center for Financial Training Western States, and was a guest lecturer at several Denver area Universities.

Roy retired in 2021.

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Presentation Period "Within the validity of the LC"

Post by CSNg » Sun May 27, 2012 2:58 am

Presentation Period

Post by Sabrina » Sun May 27, 2012 4:23 am

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Ten simple rules for effective presentation slides

Kristen m. naegle.

Biomedical Engineering and the Center for Public Health Genomics, University of Virginia, Charlottesville, Virginia, United States of America

Introduction

The “presentation slide” is the building block of all academic presentations, whether they are journal clubs, thesis committee meetings, short conference talks, or hour-long seminars. A slide is a single page projected on a screen, usually built on the premise of a title, body, and figures or tables and includes both what is shown and what is spoken about that slide. Multiple slides are strung together to tell the larger story of the presentation. While there have been excellent 10 simple rules on giving entire presentations [ 1 , 2 ], there was an absence in the fine details of how to design a slide for optimal effect—such as the design elements that allow slides to convey meaningful information, to keep the audience engaged and informed, and to deliver the information intended and in the time frame allowed. As all research presentations seek to teach, effective slide design borrows from the same principles as effective teaching, including the consideration of cognitive processing your audience is relying on to organize, process, and retain information. This is written for anyone who needs to prepare slides from any length scale and for most purposes of conveying research to broad audiences. The rules are broken into 3 primary areas. Rules 1 to 5 are about optimizing the scope of each slide. Rules 6 to 8 are about principles around designing elements of the slide. Rules 9 to 10 are about preparing for your presentation, with the slides as the central focus of that preparation.

Rule 1: Include only one idea per slide

Each slide should have one central objective to deliver—the main idea or question [ 3 – 5 ]. Often, this means breaking complex ideas down into manageable pieces (see Fig 1 , where “background” information has been split into 2 key concepts). In another example, if you are presenting a complex computational approach in a large flow diagram, introduce it in smaller units, building it up until you finish with the entire diagram. The progressive buildup of complex information means that audiences are prepared to understand the whole picture, once you have dedicated time to each of the parts. You can accomplish the buildup of components in several ways—for example, using presentation software to cover/uncover information. Personally, I choose to create separate slides for each piece of information content I introduce—where the final slide has the entire diagram, and I use cropping or a cover on duplicated slides that come before to hide what I’m not yet ready to include. I use this method in order to ensure that each slide in my deck truly presents one specific idea (the new content) and the amount of the new information on that slide can be described in 1 minute (Rule 2), but it comes with the trade-off—a change to the format of one of the slides in the series often means changes to all slides.

Top left: A background slide that describes the background material on a project from my lab. The slide was created using a PowerPoint Design Template, which had to be modified to increase default text sizes for this figure (i.e., the default text sizes are even worse than shown here). Bottom row: The 2 new slides that break up the content into 2 explicit ideas about the background, using a central graphic. In the first slide, the graphic is an explicit example of the SH2 domain of PI3-kinase interacting with a phosphorylation site (Y754) on the PDGFR to describe the important details of what an SH2 domain and phosphotyrosine ligand are and how they interact. I use that same graphic in the second slide to generalize all binding events and include redundant text to drive home the central message (a lot of possible interactions might occur in the human proteome, more than we can currently measure). Top right highlights which rules were used to move from the original slide to the new slide. Specific changes as highlighted by Rule 7 include increasing contrast by changing the background color, increasing font size, changing to sans serif fonts, and removing all capital text and underlining (using bold to draw attention). PDGFR, platelet-derived growth factor receptor.

Rule 2: Spend only 1 minute per slide

When you present your slide in the talk, it should take 1 minute or less to discuss. This rule is really helpful for planning purposes—a 20-minute presentation should have somewhere around 20 slides. Also, frequently giving your audience new information to feast on helps keep them engaged. During practice, if you find yourself spending more than a minute on a slide, there’s too much for that one slide—it’s time to break up the content into multiple slides or even remove information that is not wholly central to the story you are trying to tell. Reduce, reduce, reduce, until you get to a single message, clearly described, which takes less than 1 minute to present.

Rule 3: Make use of your heading

When each slide conveys only one message, use the heading of that slide to write exactly the message you are trying to deliver. Instead of titling the slide “Results,” try “CTNND1 is central to metastasis” or “False-positive rates are highly sample specific.” Use this landmark signpost to ensure that all the content on that slide is related exactly to the heading and only the heading. Think of the slide heading as the introductory or concluding sentence of a paragraph and the slide content the rest of the paragraph that supports the main point of the paragraph. An audience member should be able to follow along with you in the “paragraph” and come to the same conclusion sentence as your header at the end of the slide.

Rule 4: Include only essential points

While you are speaking, audience members’ eyes and minds will be wandering over your slide. If you have a comment, detail, or figure on a slide, have a plan to explicitly identify and talk about it. If you don’t think it’s important enough to spend time on, then don’t have it on your slide. This is especially important when faculty are present. I often tell students that thesis committee members are like cats: If you put a shiny bauble in front of them, they’ll go after it. Be sure to only put the shiny baubles on slides that you want them to focus on. Putting together a thesis meeting for only faculty is really an exercise in herding cats (if you have cats, you know this is no easy feat). Clear and concise slide design will go a long way in helping you corral those easily distracted faculty members.

Rule 5: Give credit, where credit is due

An exception to Rule 4 is to include proper citations or references to work on your slide. When adding citations, names of other researchers, or other types of credit, use a consistent style and method for adding this information to your slides. Your audience will then be able to easily partition this information from the other content. A common mistake people make is to think “I’ll add that reference later,” but I highly recommend you put the proper reference on the slide at the time you make it, before you forget where it came from. Finally, in certain kinds of presentations, credits can make it clear who did the work. For the faculty members heading labs, it is an effective way to connect your audience with the personnel in the lab who did the work, which is a great career booster for that person. For graduate students, it is an effective way to delineate your contribution to the work, especially in meetings where the goal is to establish your credentials for meeting the rigors of a PhD checkpoint.

Rule 6: Use graphics effectively

As a rule, you should almost never have slides that only contain text. Build your slides around good visualizations. It is a visual presentation after all, and as they say, a picture is worth a thousand words. However, on the flip side, don’t muddy the point of the slide by putting too many complex graphics on a single slide. A multipanel figure that you might include in a manuscript should often be broken into 1 panel per slide (see Rule 1 ). One way to ensure that you use the graphics effectively is to make a point to introduce the figure and its elements to the audience verbally, especially for data figures. For example, you might say the following: “This graph here shows the measured false-positive rate for an experiment and each point is a replicate of the experiment, the graph demonstrates …” If you have put too much on one slide to present in 1 minute (see Rule 2 ), then the complexity or number of the visualizations is too much for just one slide.

Rule 7: Design to avoid cognitive overload

The type of slide elements, the number of them, and how you present them all impact the ability for the audience to intake, organize, and remember the content. For example, a frequent mistake in slide design is to include full sentences, but reading and verbal processing use the same cognitive channels—therefore, an audience member can either read the slide, listen to you, or do some part of both (each poorly), as a result of cognitive overload [ 4 ]. The visual channel is separate, allowing images/videos to be processed with auditory information without cognitive overload [ 6 ] (Rule 6). As presentations are an exercise in listening, and not reading, do what you can to optimize the ability of the audience to listen. Use words sparingly as “guide posts” to you and the audience about major points of the slide. In fact, you can add short text fragments, redundant with the verbal component of the presentation, which has been shown to improve retention [ 7 ] (see Fig 1 for an example of redundant text that avoids cognitive overload). Be careful in the selection of a slide template to minimize accidentally adding elements that the audience must process, but are unimportant. David JP Phillips argues (and effectively demonstrates in his TEDx talk [ 5 ]) that the human brain can easily interpret 6 elements and more than that requires a 500% increase in human cognition load—so keep the total number of elements on the slide to 6 or less. Finally, in addition to the use of short text, white space, and the effective use of graphics/images, you can improve ease of cognitive processing further by considering color choices and font type and size. Here are a few suggestions for improving the experience for your audience, highlighting the importance of these elements for some specific groups:

• Use high contrast colors and simple backgrounds with low to no color—for persons with dyslexia or visual impairment.
• Use sans serif fonts and large font sizes (including figure legends), avoid italics, underlining (use bold font instead for emphasis), and all capital letters—for persons with dyslexia or visual impairment [ 8 ].
• Use color combinations and palettes that can be understood by those with different forms of color blindness [ 9 ]. There are excellent tools available to identify colors to use and ways to simulate your presentation or figures as they might be seen by a person with color blindness (easily found by a web search).
• In this increasing world of virtual presentation tools, consider practicing your talk with a closed captioning system capture your words. Use this to identify how to improve your speaking pace, volume, and annunciation to improve understanding by all members of your audience, but especially those with a hearing impairment.

Rule 8: Design the slide so that a distracted person gets the main takeaway

It is very difficult to stay focused on a presentation, especially if it is long or if it is part of a longer series of talks at a conference. Audience members may get distracted by an important email, or they may start dreaming of lunch. So, it’s important to look at your slide and ask “If they heard nothing I said, will they understand the key concept of this slide?” The other rules are set up to help with this, including clarity of the single point of the slide (Rule 1), titling it with a major conclusion (Rule 3), and the use of figures (Rule 6) and short text redundant to your verbal description (Rule 7). However, with each slide, step back and ask whether its main conclusion is conveyed, even if someone didn’t hear your accompanying dialog. Importantly, ask if the information on the slide is at the right level of abstraction. For example, do you have too many details about the experiment, which hides the conclusion of the experiment (i.e., breaking Rule 1)? If you are worried about not having enough details, keep a slide at the end of your slide deck (after your conclusions and acknowledgments) with the more detailed information that you can refer to during a question and answer period.

Rule 9: Iteratively improve slide design through practice

Well-designed slides that follow the first 8 rules are intended to help you deliver the message you intend and in the amount of time you intend to deliver it in. The best way to ensure that you nailed slide design for your presentation is to practice, typically a lot. The most important aspects of practicing a new presentation, with an eye toward slide design, are the following 2 key points: (1) practice to ensure that you hit, each time through, the most important points (for example, the text guide posts you left yourself and the title of the slide); and (2) practice to ensure that as you conclude the end of one slide, it leads directly to the next slide. Slide transitions, what you say as you end one slide and begin the next, are important to keeping the flow of the “story.” Practice is when I discover that the order of my presentation is poor or that I left myself too few guideposts to remember what was coming next. Additionally, during practice, the most frequent things I have to improve relate to Rule 2 (the slide takes too long to present, usually because I broke Rule 1, and I’m delivering too much information for one slide), Rule 4 (I have a nonessential detail on the slide), and Rule 5 (I forgot to give a key reference). The very best type of practice is in front of an audience (for example, your lab or peers), where, with fresh perspectives, they can help you identify places for improving slide content, design, and connections across the entirety of your talk.

Rule 10: Design to mitigate the impact of technical disasters

The real presentation almost never goes as we planned in our heads or during our practice. Maybe the speaker before you went over time and now you need to adjust. Maybe the computer the organizer is having you use won’t show your video. Maybe your internet is poor on the day you are giving a virtual presentation at a conference. Technical problems are routinely part of the practice of sharing your work through presentations. Hence, you can design your slides to limit the impact certain kinds of technical disasters create and also prepare alternate approaches. Here are just a few examples of the preparation you can do that will take you a long way toward avoiding a complete fiasco:

• Save your presentation as a PDF—if the version of Keynote or PowerPoint on a host computer cause issues, you still have a functional copy that has a higher guarantee of compatibility.
• In using videos, create a backup slide with screen shots of key results. For example, if I have a video of cell migration, I’ll be sure to have a copy of the start and end of the video, in case the video doesn’t play. Even if the video worked, you can pause on this backup slide and take the time to highlight the key results in words if someone could not see or understand the video.
• Avoid animations, such as figures or text that flash/fly-in/etc. Surveys suggest that no one likes movement in presentations [ 3 , 4 ]. There is likely a cognitive underpinning to the almost universal distaste of pointless animations that relates to the idea proposed by Kosslyn and colleagues that animations are salient perceptual units that captures direct attention [ 4 ]. Although perceptual salience can be used to draw attention to and improve retention of specific points, if you use this approach for unnecessary/unimportant things (like animation of your bullet point text, fly-ins of figures, etc.), then you will distract your audience from the important content. Finally, animations cause additional processing burdens for people with visual impairments [ 10 ] and create opportunities for technical disasters if the software on the host system is not compatible with your planned animation.

Conclusions

These rules are just a start in creating more engaging presentations that increase audience retention of your material. However, there are wonderful resources on continuing on the journey of becoming an amazing public speaker, which includes understanding the psychology and neuroscience behind human perception and learning. For example, as highlighted in Rule 7, David JP Phillips has a wonderful TEDx talk on the subject [ 5 ], and “PowerPoint presentation flaws and failures: A psychological analysis,” by Kosslyn and colleagues is deeply detailed about a number of aspects of human cognition and presentation style [ 4 ]. There are many books on the topic, including the popular “Presentation Zen” by Garr Reynolds [ 11 ]. Finally, although briefly touched on here, the visualization of data is an entire topic of its own that is worth perfecting for both written and oral presentations of work, with fantastic resources like Edward Tufte’s “The Visual Display of Quantitative Information” [ 12 ] or the article “Visualization of Biomedical Data” by O’Donoghue and colleagues [ 13 ].

Acknowledgments

I would like to thank the countless presenters, colleagues, students, and mentors from which I have learned a great deal from on effective presentations. Also, a thank you to the wonderful resources published by organizations on how to increase inclusivity. A special thanks to Dr. Jason Papin and Dr. Michael Guertin on early feedback of this editorial.

Funding Statement

The author received no specific funding for this work.

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presentation

Definition of presentation

• fairing [ British ]
• freebee
• largess

Examples of presentation in a Sentence

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'presentation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

15th century, in the meaning defined at sense 1a

Phrases Containing presentation

• breech presentation

Dictionary Entries Near presentation

present arms

presentation copy

Cite this Entry

“Presentation.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/presentation. Accessed 20 May. 2024.

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Kids definition of presentation, medical definition, medical definition of presentation, more from merriam-webster on presentation.

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Britannica.com: Encyclopedia article about presentation

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Definition of presentation noun from the Oxford Advanced Learner's Dictionary

presentation

• presentation on/about somebody/something The sales manager will give a presentation on the new products.
• Several speakers will be making short presentations .
• The conference will begin with a keynote presentation by a leading industry figure.
• a slide/video/multimedia presentation
• presentation on

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Clinical Presentation

Clinical considerations for care of children and adults with confirmed COVID-19

‹   View Table of Contents

• The clinical presentation of COVID-19 ranges from asymptomatic to critical illness.
• An infected person can transmit SARS-CoV-2, the virus that causes COVID-19, before the onset of symptoms. Symptoms can change over the course of illness and can progress in severity.
• Uncommon presentations of COVID-19 can occur, might vary by the age of the patient, and are a challenge to recognize.
• In adults, age is the strongest risk factor for severe COVID-19. The risk of severe COVID-19 increases with increasing age especially for persons over 65 years and with increasing number of certain underlying medical conditions .

Incubation Period

Data suggest that incubation periods may differ by SARS-CoV-2 variant. Meta-analyses of studies published in 2020 identified a pooled mean incubation period of 6.5 days from exposure to symptom onset. (1) A study conducted during high levels of Delta variant transmission reported an incubation period of 4.3 days, (2) and studies performed during high levels of Omicron variant transmission reported a median incubation period of 3–4 days. (3,4)

Presentation

People with COVID-19 may be asymptomatic or may commonly experience one or more of the following symptoms (not a comprehensive list) (5) :

• Fever or chills
• Shortness of breath or difficulty breathing
• Myalgia (Muscle or body aches)
• New loss of taste or smell
• Sore throat
• Congestion or runny nose
• Nausea or vomiting

The clinical presentation of COVID-19 ranges from asymptomatic to severe illness, and COVID-19 symptoms may change over the course of illness. COVID-19 symptoms can be difficult to differentiate from and can overlap with other viral respiratory illnesses such as influenza(flu) and respiratory syncytial virus (RSV) . Because symptoms may progress quickly, close follow-up is needed, especially for:

• older adults
• people with disabilities
• people with immunocompromising conditions, and
• people with medical conditions that place them at greater risk for severe illness or death.

The NIH COVID-19 Treatment Guidelines  group SARS-CoV-2 infection into five categories based on severity of illness:

• Asymptomatic or pre-symptomatic infection : people who test positive for SARS-CoV-2 using a virologic test (i.e., a nucleic acid amplification test [NAAT] or an antigen test) but who have no symptoms that are consistent with COVID-19.
• Mild illness : people who may have any of the various signs and symptoms of COVID-19 but who do not have shortness of breath, dyspnea, or abnormal chest imaging.
• Moderate illness : people who have evidence of lower respiratory disease during clinical assessment or imaging and who have an oxygen saturation (SpO 2 ) ≥94% on room air at sea level.
• Severe illness : people who have oxygen saturation <94% on room air at sea level, a ratio of arterial partial pressure of oxygen to fraction of inspired oxygen (PaO 2 /FiO 2 ) <300 mm Hg, a respiratory rate >30 breaths/min, or lung infiltrates >50%
• Critical illness : people who have respiratory failure, septic shock, or multiple organ dysfunction.

Asymptomatic and presymptomatic presentation

Studies have documented SARS-CoV-2 infection in people who never develop symptoms (asymptomatic presentation) and in people who are asymptomatic when tested but develop symptoms later (presymptomatic presentation). ( 6,7 ) It is unclear what percentage of people who initially appear asymptomatic progress to clinical disease.   Multiple publications have reported cases of people with abnormalities on chest imaging that are consistent with COVID-19 very early in the course of illness, even before the onset of symptoms or a positive COVID-19 test. (9)

Radiographic Considerations and Findings

Chest radiographs of patients with severe COVID-19 may demonstrate bilateral air-space consolidation. (23)  Chest computed tomography (CT) images from patients with COVID-19 may demonstrate bilateral, peripheral ground glass opacities and consolidation. (24,25)  Less common CT findings can include intra- or interlobular septal thickening with ground glass opacities (hazy opacity) or focal and rounded areas of ground glass opacity surrounded by a ring or arc of denser consolidation (reverse halo sign). (24)

Multiple studies suggest that abnormalities on CT or chest radiograph may be present in people who are asymptomatic, pre-symptomatic, or before RT-PCR detection of SARS-CoV-2 RNA in nasopharyngeal specimens. (25)

Common COVID-19 symptoms

Fever, cough, shortness of breath, fatigue, headache, and myalgia are among the most commonly reported symptoms in people with COVID-19. (5) Some people with COVID-19 have gastrointestinal symptoms such as nausea, vomiting, or diarrhea, sometimes prior to having fever or lower respiratory tract signs and symptoms. (10) Loss of smell and taste can occur, although these symptoms are reported to be less common since Omicron began circulating, as compared to earlier during the COVID-19 pandemic. (11,19-21) People can experience SARS-CoV-2 infection (asymptomatic or symptomatic), even if they are up to date with their COVID-19 vaccines or were previously infected. (8)

Several studies have reported ocular symptoms associated with SARS-CoV-2 infection, including redness, tearing, dry eye or foreign body sensation, discharge or increased secretions, and eye itching or pain. (13)

A wide range of dermatologic manifestations have been associated with COVID-19; timing of skin manifestations in relation to other COVID-19 symptoms and signs is variable. (14) Some skin manifestations may be associated with increased disease severity. (15) Images of cutaneous findings in COVID-19 are available from the American Academy of Dermatology .

Uncommon COVID-19 symptoms

Less common presentations of COVID-19 can occur. Older adults may present with different symptoms than children and younger adults. Some older adults can experience SARS-CoV-2 infection accompanied by delirium, falls, reduced mobility or generalized weakness, and glycemic changes. ( 12)

Transmission

People infected with SARS-CoV-2 can transmit the virus even if they are asymptomatic or presymptomatic. ( 16) Peak transmissibility appears to occur early during the infectious period (prior to symptom onset until a few days after), but infected persons can shed infectious virus up to 10 days following infection. (22 ) Both vaccinated and unvaccinated people can transmit SARS-CoV-2. ( 17,18) Clinicians should consider encouraging all people to take the following prevention actions to limit SARS-CoV-2 transmission:

• stay up to date with COVID-19 vaccines,
• test for COVID-19 when symptomatic or exposed to someone with COVID-19, as recommended by CDC,
• wear a high-quality mask  when recommended,
• avoiding contact with individuals who have suspected or confirmed COVID-19,
• improving ventilation when possible,
• and follow basic health and hand hygiene guidance .

Clinicians should also recommend that people who are infected with SARS-CoV-2, follow CDC guidelines  for isolation.

Table of Contents

• › Clinical Presentation
• Clinical Progression, Management, and Treatment
• Special Clinical Considerations
• Bhaskaran K, Bacon S, Evans SJ, et al. Factors associated with deaths due to COVID-19 versus other causes: population-based cohort analysis of UK primary care data and linked national death registrations within the OpenSAFELY platform. Lancet Reg Health Eur. Jul 2021;6:100109. doi:10.1016/j.lanepe.2021.100109
• Kim L, Garg S, O'Halloran A, et al. Risk Factors for Intensive Care Unit Admission and In-hospital Mortality among Hospitalized Adults Identified through the U.S. Coronavirus Disease 2019 (COVID-19)-Associated Hospitalization Surveillance Network (COVID-NET). Clin Infect Dis. Jul 16 2020;doi:10.1093/cid/ciaa1012
• Kompaniyets L, Pennington AF, Goodman AB, et al. Underlying Medical Conditions and Severe Illness Among 540,667 Adults Hospitalized With COVID-19, March 2020-March 2021. Preventing chronic disease. Jul 1 2021;18:E66. doi:10.5888/pcd18.210123
• Ko JY, Danielson ML, Town M, et al. Risk Factors for COVID-19-associated hospitalization: COVID-19-Associated Hospitalization Surveillance Network and Behavioral Risk Factor Surveillance System. Clin Infect Dis. Sep 18 2020;doi:10.1093/cid/ciaa1419
• Wortham JM, Lee JT, Althomsons S, et al. Characteristics of Persons Who Died with COVID-19 - United States, February 12-May 18, 2020. MMWR Morb Mortal Wkly Rep. Jul 17 2020;69(28):923-929. doi:10.15585/mmwr.mm6928e1
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• Murthy NC, Zell E, Fast HE, et al. Disparities in First Dose COVID-19 Vaccination Coverage among Children 5-11 Years of Age, United States. Emerg Infect Dis. May 2022;28(5):986-989. doi:10.3201/eid2805.220166
• Saelee R, Zell E, Murthy BP, et al. Disparities in COVID-19 Vaccination Coverage Between Urban and Rural Counties - United States, December 14, 2020-January 31, 2022. MMWR Morb Mortal Wkly Rep. Mar 4 2022;71(9):335-340. doi:10.15585/mmwr.mm7109a2
• Burki TK. The role of antiviral treatment in the COVID-19 pandemic. Lancet Respir Med. Feb 2022;10(2):e18. doi:10.1016/S2213-2600(22)00011-X
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• Cambridge Dictionary +Plus

Meaning of presentation in English

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presentation noun ( EVENT )

• talk She will give a talk on keeping kids safe on the internet.
• lecture The lecture is entitled "War and the Modern American Presidency".
• presentation We were given a presentation of progress made to date.
• speech You might have to make a speech when you accept the award.
• address He took the oath of office then delivered his inaugural address.
• oration It was to become one of the most famous orations in American history.
• The presentation was a collaborative effort by all the children in the class .
• The charity invited the press to a presentation of its plans for the future .
• The magazine asked its readers to send in their comments about the new style of presentation.
• Jenny's retiring and I think there's going to be a small presentation this afternoon .
• Graduates must be in full academic dress at the presentation of certificates .
• call for papers
• extemporize
• maiden speech
• talk at someone

You can also find related words, phrases, and synonyms in the topics:

presentation noun ( APPEARANCE )

• adverse conditions
• good/bad karma idiom
• have it in you idiom
• unaffiliated
• undercurrent

presentation | American Dictionary

Presentation | business english, examples of presentation, collocations with presentation, presentation.

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hit the road

to leave a place or begin a journey

Searching out and tracking down: talking about finding or discovering things

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7.3 Structuring Your Presentation

Lucinda Atwood; Christian Westin; [Author removed at request of original publisher]; and Linda Macdonald

Presentations can be organized in many different ways. The choice of an organizing principle, or a core assumption around which everything else is arranged, depends on the subject matter, the speaking situation, and many other factors, including your preference as a speaker.

Presentation Structure

The simple structure outlined below is adaptable to most topics. The presentation begins with an attention-getter, a claim, and an overview of key points that will be addressed. The main part of the speech follows with two to five main points; and concludes with a summary and, in a persuasive speech, a call to action.

Introduction

In the Introduction of your presentation, you will capture the audience’s attention, tell them who you are, state the main point of your presentation, and provide a preview.

• Attention-getter/grabber   A very brief and interesting statement or question that grabs the audience’s attention. See Grabber Types below for more details.
• Self-introduction  (Place before or after the grabber ) Tell the audience your name and credentials. For example: I’m Minh and I’ve been a professional career coach for 10 years.
• Thesis   The main point or argument of your presentation. Be brief and precise, not general or vague. For example: I’m going to show you how practicing your presentation 10 times will improve your level of comfort by 50%.
• Overview of main points  Briefly outline the main points that you will cover in your presentation. To help your audience, list these in the same order that you will deliver them later on. For example: First, we’ll talk about what makes presentations great, then I’ll share some data on how practice affects your confidence and performance, and finally, we’ll look at how to practice.

Attention-getter/grabber types

Remember that the job is grabbing the audience’s attention, so it must be surprising, fascinating or intriguing. It must also be related to your presentation’s topic. Some descriptions and examples are presented here:

You can also mix and match grabbers. For example, you could show an image and ask the audience to guess what it is.

The length of your grabber is relative to your total presentation time. For a 2-minute presentation, it should be quite brief – maybe one sentence. For a 16-minute team presentation, a 45-60 second grabber would be appropriate.

In this part of your presentation, you will deliver detailed information. Depending on the length of the presentation and your purpose, you might have two to five points in the body.

• Key point 1   A major point that supports your thesis and may have supporting sub-points
• Key point 2   Another major point that supports your thesis and may have supporting sub-points
• Key point 3   The final major point that supports your thesis and may have supporting sub-points

Your points can be arranged in a variety of ways. In her TED Talk The Secret Structure of Great Talks and her Harvard Business Review article titled “ Structure your presentation like a story” (click here for direct link to her article) , Nancy Duarte advocates organizing a presentation according to what is and what could be . Before reading on, take a moment to read the Duarte article, then check your knowledge.

Other ways to organize the body of your presentation are presented in Table 7.1 The center column explains how the principle works, and the right column provides an applied example based on a sample presentation about the United States’ First Transcontinental Railroad. For example, using a biographical organizing principle, you might describe the journey of the Lewis and Clark expedition in 1804, Lincoln’s signing of the Pacific Railroad Act in 1862, and the completion of the first Transcontinental Express train trip in 1876. As another example, using a spatial organizing principle, you might describe the mechanics of how a steam locomotive engine works to turn the train wheels, which move on a track to travel across distances.

As you read each organizational structure, consider how the main points and subheadings change or adapt to meet each pattern.

Sample Organizing Principles for a Presentation

Transitions

The structure of your presentation should be clear to your listeners at the start of the presentation and reinforced throughout with transitions. Transitions both connect to your thesis and indicate a shift to your next point.

As part of your introduction, you should make clear the structure of your points. For example,

“Slack Desktop offers three time-saving benefits for our team collaborations.” “First, I will discuss the current inefficiencies in our collaborations and then explain how Slack Desktop can resolve these problems.” “Slack Desktop’s built-in notification system, keyboard shortcuts, and convenience in switching between workspaces are advantages for team collaborations.”

Provide a transition as you move from the introduction to the first point. For example,

“The first advantage for our teams in using Slack Desktop…” “First, I will provide an overview of Slack’s capabilities before addressing the two features that are most compelling for our teams…” “Let’s begin with the built-in notification system…”

As you move to the second and third points, you can reinforce the structure of the presentation for your listener by stating where you have been and where you are going. For example,

“We have covered the benefits of the notification system and the range of keyboard shortcuts and will now discuss the greatest benefit for our work– the simplicity in moving between teams.” “A final benefit of Slack Desktop for collaborations is the ease in switching between teams.” “Now that I have demonstrated the problems with the current system, I will demonstrate the solutions to these problems with Slack.” “It is clear that the notifications systems and keyboard shortcuts are time-saving features, but the greatest time-saving feature is the ease and convenience in switching between teams.” “Although Slack has several beneficial features, team collaborations in our company may be better facilitated through Chanty.” “Just as keyboard shortcuts provide added convenience, so too does the notification system.”

Finally, transition to the conclusion:

“In summary, Slack has indisputable advantages.” “In conclusion,..” “What I would most like you to take from this presentation is…”

Transitions connect your points and ensure the audience follows you. The audience will clearly see where you have been and where you are going next. Practice your transitions so that the content flows naturally. As we will discuss in Chapter 3.12 , moving as you transition between points can help you remember the order of points as well as engage your audience.

At the end of your presentations, you’ll remind the audience of what you told them, and tell them what to do next.

• Summary of main points   (can be merged with your conclusion) Clearly restate your three main points in the same order you delivered them. It is the same as your overview but in past tense. First, I described what makes presentations great, then I shared data on how practice affects confidence and performance, and finally, we looked at how to practice.
• Conclusion   Restate your thesis in past tense. For example: I’m showed you that practicing your presentation 10 times will improve your grade by 20%.
• Call to action   Give your audience clear, active and compelling direction, based on what you told them. For example: Practice your presentations ten times and start collecting those A-plusses!

Now that you have some ideas of how you might structure your presentation, move on to creating an outline, the subject of the next chapter section.

7.3 Structuring Your Presentation Copyright © 2022 by Lucinda Atwood; Christian Westin; [Author removed at request of original publisher]; and Linda Macdonald is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License , except where otherwise noted.

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30 Presentation Terms & What They Mean

Delivering a captivating presentation is an art that requires more than just confidence and oratory skills. From the design of your slides to the way you carry yourself on stage, every little detail contributes to the overall effectiveness of your presentation. For those who wish to master this art, getting familiar with the associated terminology is a great place to start.

In this article, we’ll explore “30 Presentation Terms & What They Mean,” shedding light on the key terms and concepts in the world of presentations. Whether you’re a professional looking to refine your skills, a student aiming to ace your next presentation, or just someone curious about the subject, this guide is sure to provide you with valuable insights.

Dive in as we explore everything from slide decks and speaker notes to body language and Q&A sessions.

Each term is elaborated in depth, giving you a comprehensive understanding of their meanings and applications. This knowledge will not only make you more comfortable with presentations but will also empower you to deliver them more effectively.

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Table of Contents

• Speaker Notes
• White Space
• Aspect Ratio
• Grid System
• Master Slide
• Infographic
• Data Visualization
• Call-to-Action (CTA)
• Color Palette
• Negative Space
• Storyboarding
• Bullet Points
• Eye Contact
• Body Language
• Q&A Session

1. Slide Deck

A slide deck, in its most basic sense, is a collection of slides that are presented in sequence to support a speech or presentation. The slides typically contain key points, graphics, and other visual aids that make the presentation more engaging and easier to understand.

Beyond merely displaying information, a well-crafted slide deck can tell a story, create an emotional connection, or illustrate complex concepts in a digestible way. Its design elements, including the choice of colors, fonts, and images, play a significant role in how the presentation is received by the audience.

2. Speaker Notes

Speaker notes are a feature in presentation software that allows presenters to add notes or cues to their slides. These notes are only visible to the presenter during the presentation. They can include additional information, reminders, prompts, or even the full script of the speech.

While the audience sees the slide deck, the speaker can use these notes as a guide to ensure they cover all necessary points without memorizing the entire speech. It’s essential to use speaker notes strategically – they should aid the presentation, not become a script that hinders natural delivery.

A template is a pre-designed layout for a slide deck. It typically includes a set design, color scheme, typefaces, and placeholders for content like text, images, and graphs. Templates can significantly reduce the time and effort required to create a professional-looking presentation.

While templates can be incredibly helpful, it’s important to choose one that aligns with the theme, purpose, and audience of the presentation. Customizing the template to match your brand or topic can further enhance its effectiveness.

4. Transition

In the realm of presentations, a transition refers to the visual effect that occurs when you move from one slide to the next. Simple transitions include fade-ins and fade-outs, while more complex ones might involve 3D effects, wipes, or spins.

Transitions can add a touch of professionalism and dynamism to a presentation when used correctly. However, overuse or choosing flashy transitions can be distracting and detract from the content. The key is to use transitions that complement the presentation’s tone and pace without overshadowing the message.

5. Animation

Animation is the process of making objects or text in your slide deck appear to move. This can involve anything from making bullet points appear one by one, to having graphics fly in or out, to creating a simulation of a complex process. Animation can add interest, emphasize points, and guide the audience’s attention throughout the presentation.

While animations can make a presentation more engaging, they must be used judiciously. Excessive or overly complex animations can distract the audience, complicate the message, and look unprofessional. As with transitions, animations should support the content, not detract from it.

6. Multimedia

Multimedia refers to the combination of different types of media — such as text, images, audio, video, and animation — within a single presentation. Incorporating multimedia elements can make a presentation more engaging, cater to different learning styles, and aid in explaining complex ideas.

However, it’s important to ensure that multimedia elements are relevant, high-quality, and appropriately scaled for the presentation. Additionally, depending on the presentation venue, technical considerations such as file sizes, internet speed, and audio quality need to be taken into account when using multimedia.

7. White Space

In the context of presentation design, white space (or negative space) refers to the unmarked portions of a slide, which are free of text, images, or other visual elements. Despite its name, white space doesn’t necessarily have to be white — it’s any area of a slide not filled with content.

White space can give a slide a clean, balanced look and can help draw attention to the most important elements. It can also reduce cognitive load, making it easier for the audience to process information. Good use of white space is often a key difference between professional and amateur designs.

8. Aspect Ratio

Aspect ratio is the proportional relationship between a slide’s width and height. It’s typically expressed as two numbers separated by a colon, such as 4:3 or 16:9. The first number represents the width, and the second represents the height.

The choice of aspect ratio can affect how content fits on the screen and how the presentation appears on different displays. For instance, a 16:9 aspect ratio is often used for widescreen displays, while a 4:3 ratio may be more suitable for traditional computer monitors and projectors.

9. Grid System

The grid system is a framework used to align and layout design elements in a slide. It’s comprised of horizontal and vertical lines that divide the slide into equal sections or grids.

The grid system aids in creating visual harmony, balance, and consistency across slides. It can guide the placement of text, images, and other elements, ensuring that they’re evenly spaced and aligned. It’s an important tool for maintaining a professional and organized appearance in a presentation.

10. Readability

Readability refers to how easy it is for an audience to read and understand the text on your slides. It involves factors such as font size, typeface, line length, spacing, and contrast with the background.

Ensuring good readability is crucial in presentations. If your audience can’t easily read and understand your text, they’ll be more likely to disengage. Large fonts, simple language, high-contrast color schemes, and ample white space can enhance readability.

11. Infographic

An infographic is a visual representation of information, data, or knowledge. They’re used in presentations to communicate complex data in a clear, concise, and engaging way. Infographics can include charts, graphs, icons, pictures, and text.

While infographics can effectively communicate complex ideas, they must be designed carefully. Too much information, confusing visuals, or a lack of a clear hierarchy can make an infographic difficult to understand. It’s important to keep the design simple and focus on the key message.

To embed in a presentation context means to incorporate external content, such as a video, a document, or a website, directly into a slide. When an object is embedded, it becomes part of the presentation file and can be viewed or played without leaving the presentation.

Embedding can be a useful tool to incorporate interactive or supplementary content into a presentation. However, it’s important to remember that it can increase the file size of the presentation and may require an internet connection or specific software to function correctly.

13. Palette

A palette, in terms of presentations, refers to the set of colors chosen to be used throughout the slide deck. This can include primary colors for backgrounds and text, as well as secondary colors for accents and highlights.

The right color palette can help convey the mood of a presentation, reinforce branding, and increase visual interest. It’s important to choose colors that work well together and provide enough contrast for readability. Tools like color wheel or color scheme generators can be helpful in choosing a harmonious palette.

14. Vector Graphics

Vector graphics are digital images created using mathematical formulas rather than pixels. This means they can be scaled up or down without losing quality, making them ideal for presentations that may be viewed on different screen sizes.

Vector graphics often have smaller file sizes than their pixel-based counterparts (raster graphics), which can help keep your presentation file manageable. Common types of vector graphics include logos, icons, and illustrations.

15. Mood Board

A mood board is a collection of images, text, colors, and other design elements that serve as visual inspiration for a presentation. It helps establish the aesthetic, mood, or theme of the presentation before the design process begins.

Creating a mood board can be a valuable step in the presentation design process. It can help you visualize how different elements will work together, communicate your design ideas to others, and maintain consistency across your slides.

16. Hierarchy

In design, hierarchy refers to the arrangement of elements in a way that implies importance. In presentations, visual hierarchy helps guide the viewer’s eye to the most important elements first.

Hierarchy can be created through the use of size, color, contrast, alignment, and whitespace. Effective use of hierarchy can make your slides easier to understand and keep your audience focused on the key points.

17. Stock Photos

Stock photos are professionally taken photographs that are bought and sold on a royalty-free basis. They can be used in presentations to add visual interest, convey emotions, or illustrate specific concepts.

While stock photos can enhance a presentation, it’s important to use them judiciously and choose images that align with your presentation’s tone and content. Overuse of generic or irrelevant stock photos can make a presentation feel impersonal or unprofessional.

18. Sans Serif

Sans serif refers to a category of typefaces that do not have small lines or strokes attached to the ends of larger strokes. Sans serif fonts are often used in presentations because they’re typically easier to read on screens than serif fonts, which have these small lines.

Some popular sans serif fonts for presentations include Helvetica, Arial, and Calibri. When choosing a font for your slides, readability should be a primary consideration.

19. Hyperlink

A hyperlink, or link, is a clickable element in a slide that directs the viewer to another slide in the deck, a different document, or a web page. Hyperlinks can be used in presentations to provide additional information or to navigate to specific slides.

While hyperlinks can be useful, they should be used sparingly and appropriately. Links that direct the viewer away from the presentation can be distracting and disrupt the flow of your talk.

PDF stands for Portable Document Format. It’s a file format that preserves the fonts, images, graphics, and layout of any source document, regardless of the computer or software used to create it. Presentations are often saved and shared as PDFs to ensure they look the same on any device.

While a PDF version of your presentation will maintain its appearance, it won’t include interactive elements like animations, transitions, and hyperlinks. Therefore, it’s best used for distributing slide handouts or when the presentation software used to create the deck isn’t available.

21. Raster Graphics

Raster graphics are digital images composed of individual pixels. These pixels, each a single point with its own color, come together to form the full image. Photographs are the most common type of raster graphics.

While raster graphics can provide detailed and vibrant images, they don’t scale well. Enlarging a raster image can lead to pixelation, where the individual pixels become visible and the image appears blurry. For this reason, raster images in presentations should be used at their original size or smaller.

22. Typeface

A typeface, often referred to as a font, is a set of characters with the same design. This includes letters, numbers, punctuation marks, and sometimes symbols. Typefaces can have different styles and weights, such as bold or italic.

The choice of typeface can significantly impact the readability and mood of a presentation. For example, serif typefaces can convey tradition and authority, while sans serif typefaces can appear modern and clean. The key is to choose a typeface that aligns with the purpose and audience of your presentation.

23. Visual Content

Visual content refers to the graphics, images, charts, infographics, animations, and other non-text elements in a presentation. These elements can help capture the audience’s attention, enhance understanding, and make the presentation more memorable.

While visual content can enhance a presentation, it’s important not to overload slides with too many visual elements, as this can confuse or overwhelm the audience. All visual content should be relevant, clear, and support the overall message of the presentation.

24. Call to Action

A call to action (CTA) in a presentation is a prompt that encourages the audience to take a specific action. This could be anything from visiting a website, signing up for a newsletter, participating in a discussion, or implementing a suggested strategy.

A strong CTA aligns with the goals of the presentation and is clear and compelling. It often comes at the end of the presentation, providing the audience with a next step or a way to apply what they’ve learned.

25. Thumbnails

In presentations, thumbnails are small versions of the slides that are used to navigate through the deck during the design process. They provide an overview of the presentation’s flow and can help identify inconsistencies in design.

Thumbnails are typically displayed in the sidebar of presentation software. They allow you to easily move, delete, or duplicate slides, and can provide a visual check for overall consistency and flow.

26. Aspect Ratio

27. interactive elements.

Interactive elements are components in a presentation that the audience can interact with. These could include hyperlinks, embedded quizzes, interactive infographics, or multimedia elements like audio and video.

Interactive elements can make a presentation more engaging and memorable. However, they require careful planning and should always be tested before the presentation to ensure they work as intended.

28. Placeholders

In the context of presentations, placeholders are boxes that are included in a slide layout to hold specific types of content, such as text, images, or charts. They guide the placement of content and can help ensure consistency across slides.

Placeholders can be especially useful when working with templates, as they provide a predefined layout to follow. However, they should be used flexibly – not every placeholder needs to be used, and additional elements can be added if necessary.

29. Master Slide

The master slide is the top slide in a hierarchy of slides that stores information about the theme and slide layouts of a presentation. Changes made to the master slide, such as modifying the background, fonts, or color scheme, are applied to all other slides in the presentation.

Master slides can help ensure consistency across a presentation and save time when making global changes. However, it’s important to note that individual slides can still be modified independently if necessary.

In presentations, a layout refers to the arrangement of elements on a slide. This includes the placement of text, images, shapes, and other elements, as well as the use of space and alignment.

Choosing the right layout can make your slides look organized and professional, guide the viewer’s eye, and enhance your message. Most presentation software offers a variety of pre-defined layouts, but these can usually be modified to better suit your content and design preferences.

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The formal presentation of information is divided into two broad categories: Presentation Skills and Personal Presentation .

These two aspects are interwoven and can be described as the preparation, presentation and practice of verbal and non-verbal communication. 

This article describes what a presentation is and defines some of the key terms associated with presentation skills.

Many people feel terrified when asked to make their first public talk.  Some of these initial fears can be reduced by good preparation that also lays the groundwork for making an effective presentation.

A Presentation Is...

A presentation is a means of communication that can be adapted to various speaking situations, such as talking to a group, addressing a meeting or briefing a team.

A presentation can also be used as a broad term that encompasses other ‘speaking engagements’ such as making a speech at a wedding, or getting a point across in a video conference.

To be effective, step-by-step preparation and the method and means of presenting the information should be carefully considered. 

A presentation requires you to get a message across to the listeners and will often contain a ' persuasive ' element. It may, for example, be a talk about the positive work of your organisation, what you could offer an employer, or why you should receive additional funding for a project.

The Key Elements of a Presentation

Making a presentation is a way of communicating your thoughts and ideas to an audience and many of our articles on communication are also relevant here, see: What is Communication? for more.

Consider the following key components of a presentation:

Ask yourself the following questions to develop a full understanding of the context of the presentation.

When and where will you deliver your presentation?

There is a world of difference between a small room with natural light and an informal setting, and a huge lecture room, lit with stage lights. The two require quite different presentations, and different techniques.

Will it be in a setting you are familiar with, or somewhere new?

If somewhere new, it would be worth trying to visit it in advance, or at least arriving early, to familiarise yourself with the room.

Will the presentation be within a formal or less formal setting?

A work setting will, more or less by definition, be more formal, but there are also various degrees of formality within that.

Will the presentation be to a small group or a large crowd?

Are you already familiar with the audience?

With a new audience, you will have to build rapport quickly and effectively, to get them on your side.

What equipment and technology will be available to you, and what will you be expected to use?

In particular, you will need to ask about microphones and whether you will be expected to stand in one place, or move around.

What is the audience expecting to learn from you and your presentation?

Check how you will be ‘billed’ to give you clues as to what information needs to be included in your presentation.

All these aspects will change the presentation. For more on this, see our page on Deciding the Presentation Method .

The role of the presenter is to communicate with the audience and control the presentation.

Remember, though, that this may also include handing over the control to your audience, especially if you want some kind of interaction.

You may wish to have a look at our page on Facilitation Skills for more.

The audience receives the presenter’s message(s).

However, this reception will be filtered through and affected by such things as the listener’s own experience, knowledge and personal sense of values.

See our page: Barriers to Effective Communication to learn why communication can fail.

The message or messages are delivered by the presenter to the audience.

The message is delivered not just by the spoken word ( verbal communication ) but can be augmented by techniques such as voice projection, body language, gestures, eye contact ( non-verbal communication ), and visual aids.

The message will also be affected by the audience’s expectations. For example, if you have been billed as speaking on one particular topic, and you choose to speak on another, the audience is unlikely to take your message on board even if you present very well . They will judge your presentation a failure, because you have not met their expectations.

The audience’s reaction and therefore the success of the presentation will largely depend upon whether you, as presenter, effectively communicated your message, and whether it met their expectations.

As a presenter, you don’t control the audience’s expectations. What you can do is find out what they have been told about you by the conference organisers, and what they are expecting to hear. Only if you know that can you be confident of delivering something that will meet expectations.

See our page: Effective Speaking for more information.

How will the presentation be delivered?

Presentations are usually delivered direct to an audience.  However, there may be occasions where they are delivered from a distance over the Internet using video conferencing systems, such as Skype.

It is also important to remember that if your talk is recorded and posted on the internet, then people may be able to access it for several years. This will mean that your contemporaneous references should be kept to a minimum.

Impediments

Many factors can influence the effectiveness of how your message is communicated to the audience.

For example background noise or other distractions, an overly warm or cool room, or the time of day and state of audience alertness can all influence your audience’s level of concentration.

As presenter, you have to be prepared to cope with any such problems and try to keep your audience focussed on your message.   

Our page: Barriers to Communication explains these factors in more depth.

Continue to read through our Presentation Skills articles for an overview of how to prepare and structure a presentation, and how to manage notes and/or illustrations at any speaking event.

Continue to: Preparing for a Presentation Deciding the Presentation Method

See also: Writing Your Presentation | Working with Visual Aids Coping with Presentation Nerves | Dealing with Questions Learn Better Presentation Skills with TED Talks

Informal vs Formal Presentation: What You Need To Know

Table of contents, what is a formal presentation.

There are three key elements which make a presentation formal – your audience, your supporting material and the time you’re given to prepare in advance.

A presentation is considered formal when you’ve been asked to share ideas with an individual or group and you’ve been given time to prepare. Formal presentations require a very different approach than presenting to your team during a weekly meeting or in an impromptu discussion.

Let’s take a closer look at what goes into creating a formal presentation.

How Do You Create A Formal Presentation?

Creating a formal presentation is an art which requires hours of practice to create an effective presentation.

At Presentation Geeks, we know the importance of crafting an excellent formal presentation. That’s why we’ve put together a simple structured template of main points you should include in your next presentation to take it from a generic, informal presentation to a formal presentation which will surpass your audience’s expectations.

1 – Clearly Defined Goals

Before you begin writing your presentation or the speech you’ll deliver, you want to take the time to think about the following questions, “What do I want the audience members to remember and what is the key message I’m trying to drive?”.

Knowing your expected outcome is the goal of the presentation. Always keep reminding yourself what the goal is and don’t lose sight of it. This is the foundation of your formal presentation.

2 – Know Your Audience

Every audience is different and every audience consumes, absorbs and remembers information differently.

If you’re presenting to a graduating class of university students, your delivery will be much different than your presentation to an audience of senior executives at a Fortune 500 company or an audience of single mothers with newborns.

Get familiar with your audience members and prepare your presentation accordingly.

Bonus Tip: Try and figure out where the presentation will take place. Will it be held in an auditorium? A church? A boardroom? Perhaps it will even be held virtually. The venue in which your presentation will take place will also determine the supporting material you’ll use to help engage the audience during your presentation.

3 – Create An Outline

The success of your presentation depends on how well your audience can understand it. If you’re delivering a presentation that continuously jumps back and forth from one idea to another, your audience won’t follow and you’ll lose them.

Develop an outline that will guide the flow of your presentation. Think of it like a story. You want to keep it interesting. Provide appropriate examples that resonate with your audience. By tapping into an experience your audience is familiar with, it will work to your advantage as it will help the audience get engaged and keep them interested.

4 – Use Visual Aids

Using visual aids will help support your overall presentation and increase audience engagement.

Visual aids can include slides, videos, images and other visual supporting material. Although it might take some creative finesse to put visual aids together, you don’t have to do it alone.

Consider enlisting the help of a company that offers presentation design services. Presentation Geeks offers a variety of presentation services ranging from e-learning solutions, Google Slides, sizzle reels, Prezi design and much more!

5 – Dress Appropriately

Remember, first impressions are everything and your attire is a form of communication.

If you want to be seen as the expert on the topic matter and have people take your knowledge seriously, you want to dress appropriately.

Although this might seem like an outdated way of thinking, it is rooted in our psychology. These small details make or break a presentation and you don’t want to take a chance.

Don’t know where to start? Nine millionaires shared how they dress to make an impactful first impression which you can use in your wardrobe.

What are the types of formal presentations?

There are many types of formal presentations you’ll be exposed to throughout your career.

We’ve outlined six types of formal presentations you may consider when developing your next presentation.

However, if you’re looking for more examples of formal presentations in action, TED Talks are a great resource. TED Talks are presentations ranging on a variety of topics from science and business to motivational and unique life experiences.

Review the list below and determine which style your presentation will focus on. This will help you structure your notes, write your presentation and ultimately how you will present.

1 – Informative Presentation

This is the most common type of presentation, be it in an educational setting, business or corporate setting.

The aim of an informative presentation is to give detailed information about a product, concept, or idea to a specific kind of audience.

2 – Persuasive Presentation

Persuasive presentations are used to motivate or convince someone to act or make a change in their actions or thoughts.

3 – Demonstrative Presentation

A demonstrative presentation involves demonstrating a process or the functioning of a product in a step-by-step fashion.

4 – Inspirational Presentation

An inspirational presentation’s aim is to motivate or emotionally move your audience.

Using techniques like storytelling, narrating personal anecdotes, or even humor work wonders to enhance your presentation as your audience develops an emotional connection to the message.

5 – Business Presentation

A business presentation can encompass pitching client presentations , raising business capital, articulating company goals, RFP presentations , screening candidates, status reports, investment pitching and many more.

6 – PowerPoint Presentation

PowerPoint presentations or PPTs are the most effective ones among all types of presentations simply because they are convenient and easy to understand.

They are available in different formats and are suitable to use in practically any type of presentation and context, be it business, educational, or for informal purposes.

The only downside to PowerPoint presentations is the time it takes to create them and the creativity needed to make them stand out. Fortunately, there are PowerPoint presentation design services you can use that will help you save time and deliver new ideas in a creative way.

See What We Can Do For You

What is an informal presentation.

It is fairly common for business meetings to include impromptu presentations. Most presentations you’ll encounter are informal presentations.

These types of presentations are usually prepared in a short amount of time and do not require the same organizational methods as a formal presentation such as using audience engagement or presentation software.

Oftentimes, they are very much like a conversation and you won’t be using any note cards. The presenter is usually speaking to a much smaller audience where each audience member will feel like they’re being spoken to.

What Presentation Style Should I Use?

Now that you know what the difference is between a formal presentation and an informal presentation, it is now time for you to decide which style to choose.

More often than not, if you have the time to be reading this article, you have the time to prepare a presentation. That means you’ll likely lean towards the formal style.

Informal presentations are more impromptu and you won’t have the time to research it ahead of time like you are now. But since you do have the time, here are some additional resources to help you master the craft of a formal presentation.

Additional Resources To Master Your Formal Presentation

Presentation 101: How to become a better presenter . We’ve put together a list of 10 actionable items you can start working on to become a better presenter. This article covers body language such as eye contact and voice projection to the topic you’ll talk about.

Secondly, if your presentation is held online, you need to have the skills to present a virtual presentation. We’ve got you covered once again. We take a deep-dive into how to ace your virtual presentation . We cover virtual presentation software you might encounter,

The last article you should review to incorporate into your presentation arsenal is how to give and receive constructive presentation feedback . The only way you’ll improve is through ongoing feedback and data collection of what your audience thought of your presentation and presentation skills.

If these aren’t enough, download and review some of the past presentation work we’ve done for Fortune 500 companies and other industries to help spark some inspiration for your next presentation.

If you review these three articles and incorporate them into your next presentation, you’ll be on your way to becoming an influential speaker who can convert any audience with a well crafted presentation.

Author:  Ryan

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What Does Latest Date of Shipment and Expiry Date Mean in a Letter of Credit?

There are two important dates that exist in a letter of credit transaction: The first one is the latest date of shipment and the second one is the expiry date.

On this post, you can find explanations regarding the latest date of shipment and expiry date.

If a letter of credit requests presentation of a transport document and a latest date of shipment indicated in the credit; then the shipment must be completed on or before the latest date of shipment indicated in the credit.

If a letter of credit requests presentation of a transport document but not indicated a latest date of shipment; then the shipment and the presentation must be completed on or before the expiry date indicated in the credit.

According to the letter of credit rules, a presentation including one or more original transport documents subject to articles 19, 20, 21, 22, 23, 24 or 25 must be made by or on behalf of the beneficiary not later than 21 calendar days after the date of shipment as described in these rules, but in any event not later than the expiry date of the credit.

Latest Date of Shipment:

• Latest date of shipment is an optional information and not every letter of credit issued in swift format contains a latest date of shipment.
• Latest date of shipment can be meaningful only if the letter of credit requests presentation of a transport document. No transport document, no meaning of the latest date of shipment.
• If the letter of credit indicates a latest date of shipment, then the beneficiary has to complete the shipment of goods on or before this date.
• The beneficiary has to present a transport document showing a shipment date on or before the latest date of shipment in order to prove his compliance with the latest date of shipment.
• If the beneficiary presents a transport document showing a shipment date later than the latest date of shipment, then the issuing bank raises a “ late shipment discrepancy “.

Expiry Date :

• The beneficiary has to present the documents to nominated bank on or before the expiry date of the l/c.
• If the beneficiary can not make the presentation on time, the letter of credit will be terminated and will not be valid any more.

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How to Structure your Presentation, with Examples

August 3, 2018 - Dom Barnard

For many people the thought of delivering a presentation is a daunting task and brings about a  great deal of nerves . However, if you take some time to understand how effective presentations are structured and then apply this structure to your own presentation, you’ll appear much more confident and relaxed.

Here is our complete guide for structuring your presentation, with examples at the end of the article to demonstrate these points.

Why is structuring a presentation so important?

If you’ve ever sat through a great presentation, you’ll have left feeling either inspired or informed on a given topic. This isn’t because the speaker was the most knowledgeable or motivating person in the world. Instead, it’s because they know how to structure presentations – they have crafted their message in a logical and simple way that has allowed the audience can keep up with them and take away key messages.

Research has supported this, with studies showing that audiences retain structured information  40% more accurately  than unstructured information.

In fact, not only is structuring a presentation important for the benefit of the audience’s understanding, it’s also important for you as the speaker. A good structure helps you remain calm, stay on topic, and avoid any awkward silences.

What will affect your presentation structure?

Generally speaking, there is a natural flow that any decent presentation will follow which we will go into shortly. However, you should be aware that all presentation structures will be different in their own unique way and this will be due to a number of factors, including:

• Whether you need to deliver any demonstrations
• How  knowledgeable the audience  already is on the given subject
• How much interaction you want from the audience
• Any time constraints there are for your talk
• What setting you are in
• Your ability to use any kinds of visual assistance

Before choosing the presentation’s structure answer these questions first:

• What is your presentation’s aim?
• Who are the audience?
• What are the main points your audience should remember afterwards?

When reading the points below, think critically about what things may cause your presentation structure to be slightly different. You can add in certain elements and add more focus to certain moments if that works better for your speech.

What is the typical presentation structure?

This is the usual flow of a presentation, which covers all the vital sections and is a good starting point for yours. It allows your audience to easily follow along and sets out a solid structure you can add your content to.

1. Greet the audience and introduce yourself

Before you start delivering your talk, introduce yourself to the audience and clarify who you are and your relevant expertise. This does not need to be long or incredibly detailed, but will help build an immediate relationship between you and the audience. It gives you the chance to briefly clarify your expertise and why you are worth listening to. This will help establish your ethos so the audience will trust you more and think you’re credible.

Read our tips on  How to Start a Presentation Effectively

2. Introduction

In the introduction you need to explain the subject and purpose of your presentation whilst gaining the audience’s interest and confidence. It’s sometimes helpful to think of your introduction as funnel-shaped to help filter down your topic:

• Introduce your general topic
• Explain your topic area
• State the issues/challenges in this area you will be exploring
• State your presentation’s purpose – this is the basis of your presentation so ensure that you provide a statement explaining how the topic will be treated, for example, “I will argue that…” or maybe you will “compare”, “analyse”, “evaluate”, “describe” etc.
• Provide a statement of what you’re hoping the outcome of the presentation will be, for example, “I’m hoping this will be provide you with…”
• Show a preview of the organisation of your presentation

In this section also explain:

• The length of the talk.
• Signal whether you want audience interaction – some presenters prefer the audience to ask questions throughout whereas others allocate a specific section for this.
• If it applies, inform the audience whether to take notes or whether you will be providing handouts.

The way you structure your introduction can depend on the amount of time you have been given to present: a  sales pitch  may consist of a quick presentation so you may begin with your conclusion and then provide the evidence. Conversely, a speaker presenting their idea for change in the world would be better suited to start with the evidence and then conclude what this means for the audience.

Keep in mind that the main aim of the introduction is to grab the audience’s attention and connect with them.

3. The main body of your talk

The main body of your talk needs to meet the promises you made in the introduction. Depending on the nature of your presentation, clearly segment the different topics you will be discussing, and then work your way through them one at a time – it’s important for everything to be organised logically for the audience to fully understand. There are many different ways to organise your main points, such as, by priority, theme, chronologically etc.

• Main points should be addressed one by one with supporting evidence and examples.
• Before moving on to the next point you should provide a mini-summary.
• Links should be clearly stated between ideas and you must make it clear when you’re moving onto the next point.
• Allow time for people to take relevant notes and stick to the topics you have prepared beforehand rather than straying too far off topic.

When planning your presentation write a list of main points you want to make and ask yourself “What I am telling the audience? What should they understand from this?” refining your answers this way will help you produce clear messages.

4. Conclusion

In presentations the conclusion is frequently underdeveloped and lacks purpose which is a shame as it’s the best place to reinforce your messages. Typically, your presentation has a specific goal – that could be to convert a number of the audience members into customers, lead to a certain number of enquiries to make people knowledgeable on specific key points, or to motivate them towards a shared goal.

Regardless of what that goal is, be sure to summarise your main points and their implications. This clarifies the overall purpose of your talk and reinforces your reason for being there.

Follow these steps:

• Signal that it’s nearly the end of your presentation, for example, “As we wrap up/as we wind down the talk…”
• Restate the topic and purpose of your presentation – “In this speech I wanted to compare…”
• Summarise the main points, including their implications and conclusions
• Indicate what is next/a call to action/a thought-provoking takeaway
• Move on to the last section

5. Thank the audience and invite questions

Conclude your talk by thanking the audience for their time and invite them to  ask any questions  they may have. As mentioned earlier, personal circumstances will affect the structure of your presentation.

Many presenters prefer to make the Q&A session the key part of their talk and try to speed through the main body of the presentation. This is totally fine, but it is still best to focus on delivering some sort of initial presentation to set the tone and topics for discussion in the Q&A.

Other common presentation structures

The above was a description of a basic presentation, here are some more specific presentation layouts:

Demonstration

Use the demonstration structure when you have something useful to show. This is usually used when you want to show how a product works. Steve Jobs frequently used this technique in his presentations.

• Explain why the product is valuable.
• Describe why the product is necessary.
• Explain what problems it can solve for the audience.
• Demonstrate the product  to support what you’ve been saying.
• Make suggestions of other things it can do to make the audience curious.

Problem-solution

This structure is particularly useful in persuading the audience.

• Briefly frame the issue.
• Go into the issue in detail showing why it ‘s such a problem. Use logos and pathos for this – the logical and emotional appeals.
• Provide the solution and explain why this would also help the audience.
• Call to action – something you want the audience to do which is straightforward and pertinent to the solution.

Storytelling

As well as incorporating  stories in your presentation , you can organise your whole presentation as a story. There are lots of different type of story structures you can use – a popular choice is the monomyth – the hero’s journey. In a monomyth, a hero goes on a difficult journey or takes on a challenge – they move from the familiar into the unknown. After facing obstacles and ultimately succeeding the hero returns home, transformed and with newfound wisdom.

Storytelling for Business Success  webinar , where well-know storyteller Javier Bernad shares strategies for crafting compelling narratives.

Another popular choice for using a story to structure your presentation is in media ras (in the middle of thing). In this type of story you launch right into the action by providing a snippet/teaser of what’s happening and then you start explaining the events that led to that event. This is engaging because you’re starting your story at the most exciting part which will make the audience curious – they’ll want to know how you got there.

• Great storytelling: Examples from Alibaba Founder, Jack Ma

Remaining method

The remaining method structure is good for situations where you’re presenting your perspective on a controversial topic which has split people’s opinions.

• Go into the issue in detail showing why it’s such a problem – use logos and pathos.
• Rebut your opponents’ solutions  – explain why their solutions could be useful because the audience will see this as fair and will therefore think you’re trustworthy, and then explain why you think these solutions are not valid.
• After you’ve presented all the alternatives provide your solution, the remaining solution. This is very persuasive because it looks like the winning idea, especially with the audience believing that you’re fair and trustworthy.

Transitions

When delivering presentations it’s important for your words and ideas to flow so your audience can understand how everything links together and why it’s all relevant. This can be done  using speech transitions  which are words and phrases that allow you to smoothly move from one point to another so that your speech flows and your presentation is unified.

Transitions can be one word, a phrase or a full sentence – there are many different forms, here are some examples:

Moving from the introduction to the first point

Signify to the audience that you will now begin discussing the first main point:

• Now that you’re aware of the overview, let’s begin with…
• First, let’s begin with…
• I will first cover…
• My first point covers…
• To get started, let’s look at…

Shifting between similar points

Move from one point to a similar one:

• In the same way…
• Likewise…
• Equally…
• This is similar to…
• Similarly…

Internal summaries

Internal summarising consists of summarising before moving on to the next point. You must inform the audience:

• What part of the presentation you covered – “In the first part of this speech we’ve covered…”
• What the key points were – “Precisely how…”
• How this links in with the overall presentation – “So that’s the context…”
• What you’re moving on to – “Now I’d like to move on to the second part of presentation which looks at…”

Physical movement

You can move your body and your standing location when you transition to another point. The audience find it easier to follow your presentation and movement will increase their interest.

A common technique for incorporating movement into your presentation is to:

• Start your introduction by standing in the centre of the stage.
• For your first point you stand on the left side of the stage.
• You discuss your second point from the centre again.
• You stand on the right side of the stage for your third point.
• The conclusion occurs in the centre.

Key slides for your presentation

Slides are a useful tool for most presentations: they can greatly assist in the delivery of your message and help the audience follow along with what you are saying. Key slides include:

• An intro slide outlining your ideas
• A  summary slide  with core points to remember
• High quality image slides to supplement what you are saying

There are some presenters who choose not to use slides at all, though this is more of a rarity. Slides can be a powerful tool if used properly, but the problem is that many fail to do just that. Here are some golden rules to follow when using slides in a presentation:

• Don’t over fill them  – your slides are there to assist your speech, rather than be the focal point. They should have as little information as possible, to avoid distracting people from your talk.
• A picture says a thousand words  – instead of filling a slide with text, instead, focus on one or two images or diagrams to help support and explain the point you are discussing at that time.
• Make them readable  – depending on the size of your audience, some may not be able to see small text or images, so make everything large enough to fill the space.
• Don’t rush through slides  – give the audience enough time to digest each slide.

Guy Kawasaki, an entrepreneur and author, suggests that slideshows should follow a  10-20-30 rule :

• There should be a maximum of 10 slides – people rarely remember more than one concept afterwards so there’s no point overwhelming them with unnecessary information.
• The presentation should last no longer than 20 minutes as this will leave time for questions and discussion.
• The font size should be a minimum of 30pt because the audience reads faster than you talk so less information on the slides means that there is less chance of the audience being distracted.

Here are some additional resources for slide design:

• 7 design tips for effective, beautiful PowerPoint presentations
• 11 design tips for beautiful presentations
• 10 tips on how to make slides that communicate your idea

Group Presentations

Group presentations are structured in the same way as presentations with one speaker but usually require more rehearsal and practices.  Clean transitioning between speakers  is very important in producing a presentation that flows well. One way of doing this consists of:

• Briefly recap on what you covered in your section: “So that was a brief introduction on what health anxiety is and how it can affect somebody”
• Introduce the next speaker in the team and explain what they will discuss: “Now Elnaz will talk about the prevalence of health anxiety.”
• Then end by looking at the next speaker, gesturing towards them and saying their name: “Elnaz”.
• The next speaker should acknowledge this with a quick: “Thank you Joe.”

From this example you can see how the different sections of the presentations link which makes it easier for the audience to follow and remain engaged.

Example of great presentation structure and delivery

Having examples of great presentations will help inspire your own structures, here are a few such examples, each unique and inspiring in their own way.

How Google Works – by Eric Schmidt

This presentation by ex-Google CEO  Eric Schmidt  demonstrates some of the most important lessons he and his team have learnt with regards to working with some of the most talented individuals they hired. The simplistic yet cohesive style of all of the slides is something to be appreciated. They are relatively straightforward, yet add power and clarity to the narrative of the presentation.

Start with why – by Simon Sinek

Since being released in 2009, this presentation has been viewed almost four million times all around the world. The message itself is very powerful, however, it’s not an idea that hasn’t been heard before. What makes this presentation so powerful is the simple message he is getting across, and the straightforward and understandable manner in which he delivers it. Also note that he doesn’t use any slides, just a whiteboard where he creates a simple diagram of his opinion.

The Wisdom of a Third Grade Dropout – by Rick Rigsby

Here’s an example of a presentation given by a relatively unknown individual looking to inspire the next generation of graduates. Rick’s presentation is unique in many ways compared to the two above. Notably, he uses no visual prompts and includes a great deal of humour.

However, what is similar is the structure he uses. He first introduces his message that the wisest man he knew was a third-grade dropout. He then proceeds to deliver his main body of argument, and in the end, concludes with his message. This powerful speech keeps the viewer engaged throughout, through a mixture of heart-warming sentiment, powerful life advice and engaging humour.

As you can see from the examples above, and as it has been expressed throughout, a great presentation structure means analysing the core message of your presentation. Decide on a key message you want to impart the audience with, and then craft an engaging way of delivering it.

By preparing a solid structure, and  practising your talk  beforehand, you can walk into the presentation with confidence and deliver a meaningful message to an interested audience.

It’s important for a presentation to be well-structured so it can have the most impact on your audience. An unstructured presentation can be difficult to follow and even frustrating to listen to. The heart of your speech are your main points supported by evidence and your transitions should assist the movement between points and clarify how everything is linked.

Research suggests that the audience remember the first and last things you say so your introduction and conclusion are vital for reinforcing your points. Essentially, ensure you spend the time structuring your presentation and addressing all of the sections.

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Business Jargons

A Business Encyclopedia

Presentation

Definition : A presentation is a form of communication in which the speaker conveys information to the audience. In an organization presentations are used in various scenarios like talking to a group, addressing a meeting, demonstrating or introducing a new product, or briefing a team. It involves presenting a particular subject or issue or new ideas/thoughts to a group of people.

It is considered as the most effective form of communication because of two main reasons:

• Use of non-verbal cues.
• Facilitates instant feedback.

Business Presentations are a tool to influence people toward an intended thought or action.

Parts of Presentation

• Introduction : It is meant to make the listeners ready to receive the message and draw their interest. For that, the speaker can narrate some story or a humorous piece of joke, an interesting fact, a question, stating a problem, and so forth. They can also use some surprising statistics.
• Body : It is the essence of the presentation. It requires the sequencing of facts in a logical order. This is the part where the speaker explains the topic and relevant information. It has to be critically arranged, as the audience must be able to grasp what the speaker presents.
• Conclusion : It needs to be short and precise. It should sum up or outline the key points that you have presented. It could also contain what the audience should have gained out of the presentation.

Purpose of Presentation

• To inform : Organizations can use presentations to inform the audience about new schemes, products or proposals. The aim is to inform the new entrant about the policies and procedures of the organization.
• To persuade : Presentations are also given to persuade the audience to take the intended action.
• To build goodwill : They can also help in building a good reputation

Factors Affecting Presentation

Audience Analysis

Communication environment, personal appearance, use of visuals, opening and closing presentation, organization of presentation, language and words, voice quality, body language, answering questions, a word from business jargons.

Presentation is a mode of conveying information to a selected group of people live. An ideal presentation is one that identifies and matches the needs, interests and understanding level of the audience. It also represents the facts, and figures in the form of tables, charts, and graphs and uses multiple colours.

Related terms:

• Verbal Communication
• Visual Communication
• Non-Verbal Communication
• Communication
• 7 C’s of Communication

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Amplitude, Period, Phase Shift and Frequency

Some functions (like Sine and Cosine ) repeat forever and are called Periodic Functions.

The Period goes from one peak to the next (or from any point to the next matching point):

The Amplitude is the height from the center line to the peak (or to the trough). Or we can measure the height from highest to lowest points and divide that by 2.

The Phase Shift is how far the function is shifted horizontally from the usual position.

The Vertical Shift is how far the function is shifted vertically from the usual position.

All Together Now!

We can have all of them in one equation:

y = A sin(B(x + C)) + D

• amplitude is A
• period is 2 π /B
• phase shift is C (positive is to the left )
• vertical shift is D

And here is how it looks on a graph:

Note that we are using radians here, not degrees, and there are 2 π radians in a full rotation.

Example: sin(x)

This is the basic unchanged sine formula. A = 1, B = 1, C = 0 and D = 0

So amplitude is 1 , period is 2 π , there is no phase shift or vertical shift:

Example: 2 sin(4(x − 0.5)) + 3

• amplitude A = 2
• period 2 π /B = 2 π /4 = π /2
• phase shift = −0.5 (or 0.5 to the right)
• vertical shift D = 3
• the 2 tells us it will be 2 times taller than usual, so Amplitude = 2
• the usual period is 2 π , but in our case that is "sped up" (made shorter) by the 4 in 4x, so Period = π /2
• and the −0.5 means it will be shifted to the right by 0.5
• lastly the +3 tells us the center line is y = +3, so Vertical Shift = 3

Instead of x we can have t (for time) or maybe other variables:

Example: 3 sin(100t + 1)

First we need brackets around the (t+1), so we can start by dividing the 1 by 100:

3 sin(100t + 1) = 3 sin(100(t + 0.01))

Now we can see:

• amplitude is A = 3
• period is 2 π /100 = 0.02 π
• phase shift is C = 0.01 (to the left)
• vertical shift is D = 0

And we get:

Frequency is how often something happens per unit of time (per "1").

Example: Here the cosine function repeats 4 times between 0 and 1:

So the Frequency is 4

And the Period is 1 4

In fact the Period and Frequency are related:

Frequency = 1 Period

Period = 1 Frequency

Example from before: 3 sin(100(t + 0.01))

The period is 0.02 π

So the Frequency is 1 0.02 π = 50 π

Some more examples:

When frequency is per second it is called "Hertz".

Example: 50 Hertz means 50 times per second

Tom Brady owns just 3.3% of Birmingham and has no voting rights – so what does that mean?

T om Brady owns only 333 ‘B’ shares in Championship club Birmingham City and has no voting rights, filings on Companies House have revealed.

In August, Brady invested in U.S.-based Shelby Companies Limited (SCL) — a subsidiary of Knighthead Capital Management. SCL completed its takeover of Birmingham last summer, purchasing a controlling stake

Shelby Companies is named after the family featured in the BBC’s Birmingham-based period crime drama Peaky Blinders.

It was a tough first season for Birmingham’s new owners. The club have been relegated from the Championship and will play in League One next season.

Tom Wagner, the founder of Knighthood Capital Management, is the club’s ultimate owner and previously bragged about Birmingham becoming the “most talked-about football team in the world” as Brady’s association led to more than 17 billion “positive media impressions” .

Since Brady’s investment was announced in August, little had been said about his financial involvement and now the filings made on Companies House show it is minimal.

The Athletic breaks down exactly how much of Birmingham City Brady owns…

“There were a few unknowns to his relationship with the club,” explains Kieran Maguire, a football finance expert and lecturer at the University of Liverpool.

“First of all, to what extent had he bought into the club? It looks like it’s just over three per cent. The issue going forward is that he has no voting rights with these shares.

“That makes it a clean break for Knighthead Capital Management should they wish to find a new owner for Birmingham City as they would be able to sell 100 per cent of the voting shares.

“It reinforces the view that Tom Brady’s involvement is that of influencer and celebrity endorsement, which we all thought anyway, rather than a financial investor.”

The filings on Companies House suggest Brady’s 330 ‘B’ shares in Shelby Companies Ltd appear to have cost a total of 3.3 pence, giving each share a face value of 0.01 pence, although there is a chance he could have paid more than that.

There is, however, no indication in the Companies House filing to suggest that is the case.

“His investment would appear to be financially negligible,” explains Maguire. “We don’t know whether he paid a premium for the shares, but I suspect not.

“You would want Tom Brady’s name attached to the club and the benefits that brings in a similar way to Aston Villa posting when Tom Hanks comes to Villa Park.

“It is not a done deal in the sense of the numbers, but it does indicate that Tom Brady’s investment is a non-financial one and he won’t be putting money into the club in the same way Knighthead will be.”

Brady is not the first former NFL star to invest in English football. In May 2023, JJ Watt, a former defensive end, became a minority investor in Burnley, who have just been relegated to the Championship having been promoted last year.

Ryan Reynolds and Rob McElhenney have been hugely successful since they bought the entire club in February 2021, overseeing successive promotions into League One, as well as selling their popular Welcome to Wrexham documentary to Disney+. They own 95 per cent of the club in an equal split.

NBA star LeBron James had been involved as a stakeholder in Liverpool since 2011 but exchanged his two per cent shareholding for a one per cent stake in Fenway Sports Group.

Lewis Hamilton, the seven-time Formula One world champion, became a minority shareholder in the NFL’s Denver Broncos when the Walton-Penner family ownership group acquired the franchise in 2022 for $4.65billion.

Brady became chairman of a new advisory board, working directly with the board and members of the club’s leadership team.

The statement in August noted how he will be using his experience by helping the sports science department advise on health, nutrition and recovery programmes. They also want him to work closely with the commercial department, seeking new opportunities for Birmingham.

“Tom is both investing and committing his time and extensive expertise,” Wagner said in August. “The goal that Tom has committed to own is to make Birmingham City a respected leader in nutrition, health, wellness, and recovery across the world of football.”

Although these are nice platitudes, as an investor, Brady will want to see a return on the money, no matter how minimal, he put into the club.

In August, Brady called Birmingham an “iconic club with so much history” and that being an investor was a “real honour”.

“Birmingham City is built on teamwork and determination and I’m excited to work alongside the board, management and players to make our second city club second to none,” Brady’s statement read.

“I’ve been part of some amazing teams in my day, and I’m looking forward to applying my perspective to create that same success here in Birmingham.”

When Brady’s investment was announced, Wagner said the 46-year-old was not there for “promotional purposes”.

During Netflix’s Greatest Roast of All Time, a live show where comedians and former team-mates took turns to poke fun at Brady, his investment into Birmingham was raised by Bill Belichick, the former New England Patriots coach.

“I see your soccer team, Birmingham City, got knocked down another tier in the English Football League,” Belichick said.

“For those not familiar with English football and the intricacies of their obscure relegation system, I’ll put it in English for you: they suck.”

Belichick then turned to Brady with a wry smile and said: “Not so easy running a team, is it, Tom?”

Given that Birmingham will be playing in League One next season, it is safe to conclude that it has been a difficult first year for Brady.

The American owners decided to sack John Eustace in October when the club were doing relatively well and replaced him with Wayne Rooney, who then oversaw nine defeats in 15 games.

Rooney was sacked on January 2, with Tony Mowbray taking over from Manchester United ’s all-time leading goalscorer. The club then had to place Gary Rowett in interim charge in March as Mowbray needed to step away to receive treatment for an unspecified illness.

Mowbray took a formal leave of medical absence until pre-season.

The owners were widely criticised for sacking Eustace, especially as they had started the season well, and opting for Rooney.

Relegation will undoubtedly hit the club’s bottom line, but when you consider his level of investment, Maguire does not believe Birmingham dropping into League One will impact Brady’s bank balance.

“Not a dime,” Maguire responded when asked what relegation cost the former NFL quarterback.

“He is looking for upside benefits and there are no downside risks. They are non-voting shares, so he isn’t involved in the re-investment of infrastructure and the building up of the squad next year.”

Brady has several investments, including ‘TB12’, which is a wellness brand that he launched with his long-time fitness trainer Alex Guerrero in 2013. He co-founded ‘Brady’, a performance sportswear brand in 2021.

The seven-time Super Bowl winner is also a minority investor in the NFL’s Las Vegas Raiders and the WNBA team the Las Vegas Aces, while also investing in the Las Vegas Night Owls, a Major League Pickleball club.

It hasn’t all been plain sailing, though.

According to the New York Times, Brady lost $30million via his investment in FTX, a cryptocurrency exchange company, when they filed for bankruptcy in November 2022.

(Top photo: Cameron Smith/Getty Images)

This article originally appeared in The Athletic .

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What to Know About COVID FLiRT Variants

Virologists are keeping an eye on several COVID variants that have all picked up the same set of mutations. Here’s what that means.

Aliza Rosen

At the end of March, the KP.2 variant was causing about 4% of infections in the U.S.,  according to the CDC , while its parental strain, JN.1, was causing over 50% of infections at that time. As of early May, KP.2 makes up about 28% of infections, overtaking JN.1 as the dominant variant.

KP.2 is one of several variants being referred to as “FLiRT variants,” named after the technical names for their mutations. The prevalence of these variants comes at a critical time, when experts are deciding how to formulate the fall COVID vaccine.

In this Q&A,  Andy Pekosz , PhD, a professor in  Molecular Microbiology and Immunology , explains what virologists like him are seeing, whether these variants might cause a summer wave of infections, and how people can protect themselves.

What are these “FLiRT variants”?

This is the term being used to describe a whole family of different variants—including KP.2, JN.1.7, and any other variants starting with KP or JN—that appear to have independently picked up the same set of mutations. This is called convergent evolution. They are all descendants of the  JN.1 variant that has been dominant in the U.S. for the past several months.

The particular mutations that people refer to as “FLiRT”s or “FLip”s refer to specific positions in the spike protein—in this case, positions 456, 346, and 572.

Viruses like SARS-CoV-2 mutate frequently, and when they mutate to evade recognition by antibodies, this often weakens their ability to bind to the cells they want to infect. We then see mutations appear that improve that binding ability. This is a cycle we have seen many times with SARS-CoV-2. The fact that these different variants are picking up the same mutations tells virologists that this combination of mutations is helping the virus accomplish these goals most efficiently.

How do these mutations help the virus bind to cells while evading antibodies?

Two of these mutations—456 and 346—eliminate binding sites for antibodies that neutralize SARS-CoV-2. However, those same antibody binding sites are also important for the virus to bind to and enter cells. So in evading antibodies, these FLiRT variants may have also lost some ability to bind to their receptor. At the same time, the 572 mutation appears to allow the virus to more tightly bind to cells and ultimately cause an infection.

Do people who recently had COVID have any protection against infection from FLiRT variants?

A JN.1 infection should provide pretty strong protection against all the FLiRT variants. The difference between JN.1 and these variants is only one or two amino acid changes, so there are still a lot of other places antibodies can bind to. Infection from a variant older than JN.1 is less likely to offer as much protection.

Do we know yet how well the current COVID-19 vaccines work against the FLiRT variants?

Against JN.1, the vaccine designed around XBB.1.5 does generate some cross-reactive antibodies. Studies have not been yet done with some of these newer variants, but those are likely to be a little less cross-reactive. It’s also been several months since many people received their last dose of the vaccine, and that immunity wanes over time.

Back in February, the CDC recommended  an additional dose of the current COVID vaccine for adults 65 and older who received theirs in the fall. There is a question now of what the guidance will be going into the summer. We’ve seen fairly low uptake of these additional boosters when they’re recommended, even in high risk populations, so it’s unclear whether a third dose of the current vaccine will be recommended. If case numbers remain relatively low, it may not be necessary.

Should we anticipate these variants to drive a surge in cases this summer?

It’s certainly possible. The FLiRT variants would be high on my list of viruses that could cause another wave of infections in the U.S. That said, our definition of a wave has changed; while we still see case rates rise and fall throughout the year, we see much lower numbers of cases of hospitalizations or deaths than we saw in the first couple years of the pandemic.

And yet, while these waves are becoming smaller, they are still having the greatest impact on our susceptible populations: the elderly, people who are immunocompromised and those with other secondary medical conditions. Everyone can play a role in protecting those populations that remain the highest-risk when new variants cause an uptick in cases.

How might these variants impact plans for the COVID vaccine formula that gets updated for the fall?

This is the time of year when governing bodies like the WHO and FDA recommend a formulation for updated COVID vaccines that will roll out in early fall. Last year, the  vaccines were based on the XBB.1.5 variant , and only a few months later, the  JN.1 variant became the dominant variant in the U.S.

At the end of April, the  WHO announced that their COVID vaccine advisory group advises using the JN.1 lineage as the antigen for the upcoming formulations of the vaccine. All of these FLiRT variants are within the JN.1 family of variants.

Here in the U.S.,  the FDA has postponed its meeting to determine the fall 2024 COVID vaccine from mid-May to early June. That gives them more time to see which of the FLiRT variants is becoming the dominant one so they can fine-tune the WHO recommendation to what they anticipate will be most prominent in the fall.

New COVID variants are likely to crop up after a decision is made— just as it did last summer —but the goal remains to select a formulation that, come fall, will match the circulating variants as closely as possible.

What are the usual symptoms and transmission timeline for FLiRT variants?

When it comes to symptoms, we’re not seeing anything new or different with these variants. We continue to see more mild disease, but that’s likely not because the virus is milder, but because our immunity is so much stronger now. After years of vaccinations and infections, most of the population is better able to fight off an infection without as much concern for severe disease.

The period of infectiousness for these FLiRT variants remains the same as with JN.1 and previous omicron variants: After exposure, it may take five or more days before you develop symptoms, though symptoms may appear sooner. You are contagious one to two days before you experience symptoms and a few days after symptoms subside. And as with previous variants, some people may have detectable live virus for up to a week after their symptoms begin, and some may experience  rebound symptoms .

At-home testing remains a really important tool for knowing whether you could potentially infect others.

Are antivirals like Paxlovid effective against FLiRT variants? 

Yes, the good news is that  Paxlovid is still recommended for high risk individuals . It still works against variants up to JN.1, and based on the sequencing of the FLiRT variants, they should still be susceptible to Paxlovid, as well as to antiviral drugs like molnupiravir and remdesivir. The companies that produce these drugs are always testing them against new variants to ensure they continue to be effective.

How can people protect themselves and their loved ones as we head into summer?

As with any respiratory virus, even when case rates nationally are low, it’s common to see infections increase in one area of the country but not another. Keep an eye on case rates in your region or anywhere you plan to travel, to know whether you should take additional precautions, like wearing a mask or gathering in well-ventilated areas. Some local health departments report on virus levels in wastewater, which can signal an upcoming rise in cases. This is particularly helpful as people experience more mild illness; those cases may not require hospitalization, but they’ll still be detected in wastewater data.

It’s always a good idea to keep a few COVID tests around the house in case you start to  feel sick. Testing—whether at home or in a health care setting—will make sure you know what you're infected with, which can inform the best treatment plan if you are in a high risk group or your symptoms progress to more severe illness.

If you do feel sick, follow the CDC’s  simplified guidance for respiratory illnesses . This is especially important if you plan to spend time with friends or family who are at higher risk of severe illness.

Aliza Rosen is a digital content strategist at the Johns Hopkins Bloomberg School of Public Health.

• Understanding the CDC’s Updated COVID Isolation Guidance
• COVID Rebound Can Happen Whether or Not You Take Paxlovid
• More Americans Could Benefit from Paxlovid for COVID Infection

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There’s a New Covid Variant. What Will That Mean for Spring and Summer?

Experts are closely watching KP.2, now the leading variant.

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By Dani Blum

For most of this year, the JN.1 variant of the coronavirus accounted for an overwhelming majority of Covid cases . But now, an offshoot variant called KP.2 is taking off. The variant, which made up just one percent of cases in the United States in mid-March, now makes up over a quarter.

KP.2 belongs to a subset of Covid variants that scientists have cheekily nicknamed “FLiRT,” drawn from the letters in the names of their mutations. They are descendants of JN.1, and KP.2 is “very, very close” to JN.1, said Dr. David Ho, a virologist at Columbia University. But Dr. Ho has conducted early lab tests in cells that suggest that slight differences in KP.2’s spike protein might make it better at evading our immune defenses and slightly more infectious than JN.1.

While cases currently don’t appear to be on the rise, researchers and physicians are closely watching whether the variant will drive a summer surge.

“I don’t think anybody’s expecting things to change abruptly, necessarily,” said Dr. Marc Sala, co-director of the Northwestern Medicine Comprehensive Covid-19 Center in Chicago. But KP.2 will most likely “be our new norm,’” he said. Here’s what to know.

The current spread of Covid

Experts said it would take several weeks to see whether KP.2 might lead to a rise in Covid cases, and noted that we have only a limited understanding of how the virus is spreading. Since the public health emergency ended , there is less robust data available on cases, and doctors said fewer people were using Covid tests.

But what we do know is reassuring: Despite the shift in variants, data from the C.D.C. suggests there are only “minimal ” levels of the virus circulating in wastewater nationally, and emergency department visits and hospitalizations fell between early March and late April.

“I don’t want to say that we already know everything about KP.2,” said Dr. Ziyad Al-Aly, the chief of research and development at the Veterans Affairs St. Louis Healthcare System. “But at this time, I’m not seeing any major indications of anything ominous.”

Protection from vaccines and past infections

Experts said that even if you had JN.1, you may still get reinfected with KP.2 — particularly if it’s been several months or longer since your last bout of Covid.

KP.2 could infect even people who got the most updated vaccine, Dr. Ho said, since that shot targets XBB.1.5, a variant that is notably different from JN.1 and its descendants. An early version of a paper released in April by researchers in Japan suggested that KP.2 might be more adept than JN.1 at infecting people who received the most recent Covid vaccine. (The research has not yet been peer-reviewed or published.) A spokesperson for the C.D.C. said the agency was continuing to monitor how vaccines perform against KP.2.

Still, the shot does provide some protection, especially against severe disease, doctors said, as do previous infections. At this point, there isn’t reason to believe that KP.2 would cause more severe illness than other strains, the C.D.C. spokesperson said. But people who are 65 and older, pregnant or immunocompromised remain at higher risk of serious complications from Covid.

Those groups, in particular, may want to get the updated vaccine if they haven’t yet, said Dr. Peter Chin-Hong, an infectious disease specialist at the University of California, San Francisco. The C.D.C. has recommended t hat people 65 and older who already received one dose of the updated vaccine get an additional shot at least four months later.

“Even though it’s the lowest level of deaths and hospitalizations we’ve seen, I’m still taking care of sick people with Covid,” he said. “And they all have one unifying theme, which is that they’re older and they didn’t get the latest shot.”

The latest on symptoms and long Covid

Doctors said that the symptoms of both KP.2 and JN.1 — which now makes up around 16 percent of cases — are most likely similar to those seen with other variants . These include sore throat, runny nose, coughing, head and body aches, fever, congestion, fatigue and in severe cases, shortness of breath. Fewer people lose their sense of taste and smell now than did at the start of the pandemic, but some people will still experience those symptoms.

Dr. Chin-Hong said that patients were often surprised that diarrhea, nausea and vomiting could be Covid symptoms as well, and that they sometimes confused those issues as signs that they had norovirus .

For many people who’ve already had Covid, a reinfection is often as mild or milder than their first case. While new cases of long Covid are less common now than they were at the start of the pandemic, repeat infections do raise the risk of developing long Covid, said Fikadu Tafesse, a virologist at Oregon Health & Science University. But researchers are still trying to determine by how much — one of many issues scientists are trying to untangle as the pandemic continues to evolve.

“That’s the nature of the virus,” Dr. Tafesse said. “It keeps mutating.”

Dani Blum is a health reporter for The Times. More about Dani Blum

Fed's Powell says high interest rates may 'take longer than expected' to lower inflation

• Federal Reserve Chair Jerome Powell said Tuesday that “it may take longer than expected” for high interest rates to lower inflation.

He also reiterated, however, that a rate hike is unlikely.

• His remarks largely echo those he made at a news conference after a Fed meeting earlier this month.

Federal Reserve Chair Jerome Powell said Tuesday that “it may take longer than expected” for high interest rates to lower inflation and gave no hint that a recently slowing labor market could mean earlier rate cuts.

“We’ll need to be patient and let restrictive policy do its work,” Powell said during a session at a Foreign Bankers Association meeting in Amsterdam. “It may be that (high interest rates) take longer than expected to do its work and bring inflation down.”

His remarks largely echo those he made at a news conference after a Fed meeting earlier this month at which officials kept their key short-term interest rate at a 23-year high of 5.25% to 5.5%.

How many jobs were added in April?

But after a recent report showed that U.S. employers added 175,000 jobs last month – down from an average of 269,000 a month in the first quarter – and the unemployment rate edged up to 3.9%, some economists said the nascent signs of a pullback revived hopes of an earlier rate cut.

On Tuesday, though, Powell called the labor market “very, very strong” and provided no signal that April's softer but still solid job gains raised any concerns among Fed officials. At the news conference earlier this month, Powell said either a larger inflation drop-off or an “unexpected” weakening in the labor market could coax the Fed to trim rates sooner.

Most forecasters have expected job growth to gradually slow amid high interest rates and the fading of a post-pandemic burst of hiring.

How many rate cuts are expected in 2024?

As recently as late March, the Fed was still tentatively predicting three rate cuts this year, with the first coming in June, after inflation eased rapidly during the second half of last year. But after reports last month showed that inflation remained high in March for a third straight month, Fed officials said they likely would keep rates higher for longer.  

“The first quarter is notable for its lack of further progress on inflation,” Powell said Tuesday.

What is the current inflation rate?

In March, the Fed’s preferred measure of annual inflation overall rose from 2.5% to 2.7% - well below a 40-year high of 7.1% in mid-2022 but above its 2% goal. A core reading that excludes volatile food and energy items held steady at 2.8%, down from a peak of 5.6% in 2022.

Also, a report Tuesday morning showed that wholesale prices increased more than expected in April. However, Powell called the report “mixed,” suggesting there were some encouraging downward revisions to prior months. Economists said price increases slowed in categories that feed into consumer inflation.

Before Powell’s remarks, futures markets were betting the Fed would cut rates by a quarter point in September and December.

At the same time, while Powell didn’t rule out a rate increase, he repeated that it’s not likely.

“I don’t think it’s likely that the next move will be a rate hike,” he said. “It’s more likely we’ll be holding the policy rate where it is” until inflation resumes a swifter decline, a development that Powell said he expects.

He added, “My confidence in that is not as high as it was.”

The Key Points at the top of this article were created with the assistance of Artificial Intelligence (AI) and reviewed by a journalist before publication. No other parts of the article were generated using AI. Learn more .