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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Ecology of Protections(also: Layered Protection Ecosystem)
A multi-layered framework for safeguarding vulnerable users from harmful digital content by implementing protections at multiple levels of the technology stack simultaneously. For photosensitive users, this ecosystem encompasses six layers: policy-level (legislation and…
Flash Pattern Analyzer(also: FPA, PEAT, Photosensitive Epilepsy Analysis Tool)
Software tools designed to detect potentially dangerous flashing or strobing patterns in digital media that could trigger seizures or other photosensitive reactions. The Harding Flash Pattern Analyzer (FPA) and the free Photosensitive Epilepsy Analysis Tool (PEAT) evaluate video…

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