An assistive listening device is a piece of technology that aids in audio comprehension or enhances hearing aid functionality, most often used by people with hearing difficulties or partial deafness.

Alternative navigation is any type of assistive technology that replaces a standard keyboard or mouse. It is primarily used by those with physical mobility challenges.

Alternative text ("alt text”) is an accessibility feature within image editors that makes image description text legible to screen readers.

ARIA (Accessible Rich Internet Applications) are a set of HTML tags and attributes standardized by the W3C (World Wide Web Consortium) in order to make rich internet applications accessible to assistive technology.

Audio Description is a method of describing the visuals in multimedia presentations, primarily used by those who are blind.