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\uD83D\uDCD8 InstructionsInstructions
Section 5.1: Alternative Text
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When using complex images like pie charts or bar graphs, it is better to use , you should include a link to a long description rather than in addition to an Alt Text. Sometimes, 150 characters is not enough to describe your image, table, chart, or graph to a reader. Alt Text is meant to be briefshort, while long descriptions give you a bit more freedom to explain the image. There are many ways to create a long description including:
Describing the complex image in text below the image.
Adding a link below the complex image.
Providing the data from the image in text form.
Make sure the long description is visible to all users. Even if they are links, or buttons.
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This pie chart is missing a long description. This will be an issue to readers who cannot see at all or can see very little. |
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This pie chart is now accessible due to it having a link. The link will take the reader to a long description or index when clicked. |
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This pie chart contains a long description that tells the screen reader and reader exactly what is on the pie chart. This will make it much easier for the reader to understand the chart, and the statistics, and learn at a faster pace. |
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This pie chart is also accessible because it provides Alt Text directing the readers attention from the pie chart to the table. A reader may have a difficult time reading a pie chart, to remedy this, create a table underneath the chart with the same information. This will give them the ability to get the information they need. |
Additional Types of Long Descriptions
When you use complex images, you must describe it using Alt Text and have a longer description.
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description will let you give as much info as needed. It is recommended to create your long description in Microsoft Word, then link the document to your presentation.
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This image of the Hagia Sophia in Turkey has an Alt Text. However, there is no link to a long description. |
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This image of the Hagia Sofia has an alt text. There is also a link to the long description that will go into more detail about what is in the picture. The alt text says “A full description of this image can be found in the link at the bottom of this slide.” |
Section 5.3: Watermarks and Backgrounds
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Section 5.4: Text Boxes, Shapes, and Other Floating Objects
To learn more about text boxes, shapes, and other floating objects. Refer to our section in Microsoft Word. Creating the content and the rules for use are the same in both software. PowerPoint differs from Word in one very significant way: floating objects are easy to navigate and make up the very nature of the entire slide. The title field in a slide, for instance, is a text box. Users just needs to hit the tab button to navigate slide and each object will be selected, announced, and the alt text (if present) will be read.
You do not need to add alt text to text boxes, since the contents are directly read by a screen reader, but you MUST add alt text to other non-text objects, including shapes and icons (and of course, images, graphs, charts, etc.).
Section 5.5: Using a Series of Shapes
A series of the same shapes or images should be grouped. They should also be given alternative text and a long description. You can group them together by right clicking each of the shapes and pressing Control G.
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These shapes are inaccessible due to them not being grouped. The Alt Text would also only apply to one star, and is not a good Alt Text example. |
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These shapes are accessible because they are grouped together. The Alt Text is also more descriptive of what the shapes mean. |
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