Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- VR-ASL(also: Virtual Reality American Sign Language)
- A simplified adaptation of American Sign Language (ASL) designed for use in virtual reality environments where current controller tracking technology cannot capture the full range of hand and finger movements required for standard ASL. VR-ASL modifies or substitutes signs to…
- Verb Inflection(also: Sign Language Verb Inflection, Directional Verbs)
- In sign languages, verb inflection refers to the modification of a verb sign's movement path, speed, or direction to encode grammatical information such as subject, object, number, and aspect. Unlike spoken languages where inflection typically involves changes to word endings,…
- Video Remote Interpreter(also: VRI, Video Remote Interpreting, Video Relay Interpreting)
- A video telecommunication service that provides sign language interpretation remotely via video connection. VRI allows deaf or hard of hearing individuals to communicate with hearing people through an off-site interpreter who appears on a screen, translating between sign…
- Video-Based Sign Language Dictionary(also: Video Sign Dictionary, Sign Language Video Lookup)
- A digital dictionary that allows users to look up sign language signs by submitting video of themselves performing the sign, rather than searching by text or linguistic features. These systems use sign language recognition technology to match the user's input against a database…
- Virtual Human(also: Embodied Agent, Animated Character)
- A computer-generated human character used in accessibility applications to convey information through human-like movements, gestures, and expressions. In sign language accessibility, virtual humans serve as signing avatars that can automatically translate text or speech into…
- Visual Language(also: Visuo-Gestural Language)
- A language that uses the visual-gestural modality for communication, as opposed to the auditory-vocal modality of spoken languages. Sign languages are visual languages that encode information through hand shapes, movements, spatial relationships, facial expressions, and body…
- Visual Vernacular(also: VV)
- A deeply visual sign language performance art form rooted in visual storytelling, developed in the 1970s by deaf American actor Bernard Bragg and widely practiced internationally. Visual Vernacular combines gesture, facial expression, classifiers, body movement, and cinematic…
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