Go further: The terms used in this book are based on definitions from the UI Automation (UIA) Specification, Windows Accessibility Software Developer Kit (SDK), the Microsoft Developer Network (MSDN), and the Microsoft Press Computer Dictionary. To access or learn more about these sources, go to


The quality of a system incorporating hardware or software that makes it usable by people with one or more physical disabilities, such as restricted mobility, blindness, or deafness.

Accessibility Interoperability Alliance (AIA)

A group of information technology (IT) and assistive technology (AT) companies, content providers, and other engineering organizations that collaborate together ...

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