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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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Learning Design(also: IMS Learning Design, IMS LD)
A specification from IMS Global Learning Consortium (based on the Educational Modeling Language) that provides a framework for describing the structure and sequence of learning activities, roles, and environments in educational scenarios. Learning Design enables the separation…
Liberatory access(also: Liberation-oriented access)
An approach to accessibility that goes beyond inclusion and assimilation to challenge the broader conditions of ableism and exclusion that create inaccessibility in the first place. Coined by disability justice activist Mia Mingus, liberatory access strives not just to help…
Loosely Coupled Interaction(also: Loosely Coupled Dual Interaction)
An interaction architecture in which two or more user interfaces share the same underlying content and data but operate independently through separate, non-overlapping input and output modalities. In a loosely coupled system, each interface is purpose-designed for its target…
Low-Barrier Access(also: Low-Barrier Technology)
Technology or services designed to minimize obstacles to initial use, including cost, setup complexity, training requirements, and technical prerequisites. Low-barrier access is particularly important for people with temporary or newly acquired disabilities who may need…
Low-Fidelity Prototype(also: Low-Fi Prototype, Lo-Fi Prototype, Paper Prototype)
A rough, inexpensive representation of a design - typically paper sketches, cardboard models, or wireframes - used early in the design process to explore concepts without investing in polished artefacts. Low-fidelity prototypes lower the barrier to critique and change, which is…

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