Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Captions(also: Subtitles, Text Captions)
- Text displayed on screen that represents the audio content of a video, including spoken dialogue and important sound effects. Captions are essential for deaf and hard of hearing viewers but also benefit people with ADHD (providing a second modality for processing information),…
- Closed Captions(also: CC)
- Captions that can be turned on or off by the viewer, as opposed to open captions which are permanently embedded in the video. Closed captions typically include not just dialogue but also descriptions of relevant non-speech audio like music, sound effects, and speaker…
- Closed Interpreting(also: Closed Sign Language Interpreting)
- A proposed accessibility feature for video content where a sign language interpreter video can be toggled on or off and displayed alongside the main video, analogous to closed captions for text. Unlike embedded "open" interpreters that are permanently part of the video, closed…
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