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| Tip |
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Our decorative image has an Alt Text that says “Decorative”. The Mark as Decorative checkbox is unchecked. |
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| Warning |
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This example of Alt Text fails to describe all of the details in the image. |
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| Tip |
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This example of Alt Text is much better. It describes many details in the image so that the reader has a better idea of what is in the picture.  |
Section 5.2: Long Descriptions
When using complex images, you should include a link to a long description 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 short, while long 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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| Warning |
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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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| Tip |
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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.  |
Section 5.3: Watermarks and Backgrounds
Watermarks and background images should not be used. They will interfere with peoples ability to read the page. Watermarks and backgrounds tend to be very distracting to most readers. It is best to use a background that does not interfere much at all with the text on the slide.
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| Warning |
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This slide has a background that is very distracting to readers. These should always be avoided when making a presentation. |
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| Tip |
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This background does not interfere with the text and gives the PowerPoint a very professional look.  |
Section 5.4: Text Boxes, Shapes, and Other Floating Objects
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