Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Illiteracy(also: Functional Illiteracy, Low Literacy)
- The inability to read or write, or having reading and writing skills below a functional level needed for everyday tasks. In the context of digital accessibility, illiteracy and low literacy present significant barriers to using text-based interfaces, navigating websites,…
- Inequitable Access(also: Inadequate Accommodation)
- Inequitable access describes the situation where accommodations or accessibility measures are provided but fail to adequately address the underlying inaccessibility, leaving people with disabilities with access that is significantly inferior to what nondisabled people…
- Information asymmetry(also: Information gap, Information lag)
- In accessibility contexts, the unequal access to timely, relevant information experienced by disabled people compared to non-disabled peers, caused by inaccessible formats, platforms, and communication channels. Information asymmetry goes beyond the inability to access specific…
- Infrastructural precarity(also: Digital infrastructure barriers)
- The condition of unreliable, inconsistent, or inadequate technological infrastructure that shapes and constrains how people — particularly disabled people and those in the Global South — can access and use digital technologies. Infrastructural precarity encompasses unreliable…
- Invisible Cost of Disability(also: Hidden Cost of Disability, Disability Tax, Crip Tax)
- The additional time, energy, money, and cognitive effort that people with disabilities must expend to accomplish tasks that non-disabled people can complete without such overhead. In workplace contexts, these costs include purchasing extra assistive technology and software,…
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