Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- ASL(also: American Sign Language)
- Abbreviation for American Sign Language, the primary sign language used by Deaf communities in the United States and much of Canada. ASL is a complete, natural language with its own grammar, vocabulary, and specialized registers (including STEM vocabulary), and is linguistically…
- BLV(also: Blind and Low Vision, B/LV)
- Abbreviation for "blind and low vision," an umbrella term referring to people with a range of visual conditions including total blindness, legal blindness, and various forms of low vision. The term is widely used in accessibility research and practice to describe the user…
- DHH(also: D/HH, Deaf and Hard of Hearing)
- An abbreviation for "Deaf and Hard of Hearing," encompassing the full spectrum of hearing differences from culturally Deaf individuals who use sign language as a primary language to people with varying degrees of hearing loss who may use hearing aids, cochlear implants, or rely…
- Navigation
- The task of moving through an environment to reach a destination, encompassing route planning, mode selection, real-time decision-making, and responding to obstacles. In accessibility research, navigation is often paired with wayfinding (the embodied, situated practice of…
- Neurotype
- A classification of minds based on patterns of neurological functioning. The term encompasses both neurotypical (conforming to dominant neurological norms) and neurodivergent (diverging from those norms, including autism, ADHD, dyslexia, and other neurological variations).…
- Neurotypical(also: NT)
- A term used to describe individuals whose neurological development and cognitive functioning fall within the range considered typical by prevailing societal standards — that is, people who do not have autism, intellectual disabilities, learning disabilities, or other…
- SUS(also: System Usability Scale)
- Abbreviation for System Usability Scale, a ten-item questionnaire developed by John Brooke in 1986 that produces a single usability score from 0 to 100 based on user ratings of agreement with statements about a system. SUS is widely used in accessibility and HCI research because…
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