What is it?

A file format used to present and exchange documents reliably and without dependence on the operating system, computer hardware, or software.

Why is it important?

Since PDF files can be easily annotated with insertions, deletions, and comments via free PDF Reader software, they are an economical way to manage content reviews from remote staff.

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What is it?

A digital file, in one of many possible formats, containing information similar to what would be found in a printed book.

Why is it important?

eBooks allow readers to engage content digitally, with functionality that is not available in print materials. It also allows communicators to reach broader audiences and expand distribution internationally.

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What is it?

Recorded sound of any type used to transmit or to enhance information.

Why is it important?

We need all of our senses to understand the world. Audio provides an additional channel for learning that helps some users learn faster. It is also vital for people who are blind or visually impaired.

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What is it?

A moving image that provides visual explanation of a topic or concept that is difficult to explain with words.

Why is it important?

Animation helps people understand concepts that are difficult to explain with words or static images. It reduces complexity for non-expert audiences and shows how single objects or systems move and change.

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