Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Failure Mode(also: Accessibility failure mode)
- In accessibility evaluation, any hindrance caused by a product or web site that prevents a user with a disability from achieving a goal with the same effectiveness, efficiency or safety as a non-disabled user. The term is borrowed from reliability engineering and is used to…
- Fragile Learning Continuity
- A framework proposed by Bhuiyan et al. (2026) to describe how accessibility in low-resource Deaf education depends not on any single feature — visibility, sign clarity, vocabulary, or connectivity — but on sustained alignment across visual, linguistic, technological, and…
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