Glossary

Searchable terminology from accessibility, web standards, and related fields.

6660 terms — page 8 of 333

Accelerated Speech (Time-Compressed Speech, Speed-Up Speech)
Audio output played at faster than normal speaking rate, commonly used by people with visual impairments when interacting with screen readers and other audio-based assistive technologies. Research sho…
Accelerometer
A sensor that measures acceleration forces, including the constant force of gravity, along one or more axes. Accelerometers in smartphones and wearable devices detect device orientation, movement, and…
Acceptance Testing (User Acceptance Testing, UAT, Acceptance Tests)
A form of software testing that validates whether a system meets its specified requirements from the end user's perspective. In accessibility, acceptance tests simulate real user interaction scenarios…
Acceptance and Commitment Therapy (ACT)
A form of cognitive behavioral therapy that encourages acceptance of unwanted thoughts and feelings rather than fighting or suppressing them, combined with commitment to actions aligned with personal …
Access Barrier (Accessibility Barrier, Barrier to Access)
Any obstacle that prevents or diminishes a disabled person's ability to complete a task, participate in an activity, or access information. Access barriers are not limited to complete inability (failu…
Access Barriers (Barriers to Access)
Obstacles that prevent or impede disabled people from fully participating in activities, accessing services, or using technologies. Access barriers can be physical (inaccessible buildings), digital (w…
Access Conflict (Accessibility Conflict, Competing Access Needs)
A situation in which the accessibility requirements of one person conflict with or undermine the accessibility requirements of another person. For example, a student prone to migraines may need low li…
Access Differential (Accessibility Gap, Access Gap)
Access differential is the gap between the access that nondisabled people experience and the access that people with disabilities experience when using the same technologies, services, or environments…
Access For All (ISO/IEC 24751, IMS Access For All, AfA)
An international standard (ISO/IEC 24751) for describing user accessibility needs and preferences in a portable, application-independent format. Originally developed by the IMS Global Learning Consort…
Access Friction (Accessibility Friction)
The effort, frustration, or barriers encountered when attempting to access technology, services, or environments. Access friction can range from minor inconveniences to complete exclusion and may resu…
Access Intimacy
A concept coined by disability justice activist Mia Mingus describing the elusive, deeply felt connection that occurs when someone else genuinely understands and responds to your access needs. Access …
Access Keys (Accesskeys, Keyboard Shortcuts)
Access keys are keyboard shortcuts defined in HTML using the accesskey attribute that allow users to activate or focus on specific elements — such as links or form controls — by pressing a key combina…
Access Labor (Accommodation Labor, Disability Labor)
The uncompensated work that disabled people must perform to secure, maintain, and manage their own accessibility accommodations within systems not designed for them. Access labor includes navigating b…
Access Needs (Accessibility Needs, Access Requirements)
The specific requirements a person has in order to access information, environments, services, or activities on an equal basis. Access needs vary by individual and context, and may relate to sensory, …
Access Work (Access Labour)
The often invisible labor that disabled people and their allies perform to negotiate, secure, and maintain access to spaces, services, and activities. Access work includes tasks such as researching ac…
Access aisle
A marked, level area adjacent to an accessible parking space that provides critical clearance for people with disabilities to deploy wheelchairs, ramps, or other mobility devices when entering and exi…
Access as Friction
A disability-studies framing, articulated by Jackson, Haagaard, and Williams, that reframes accessibility work as productive friction rather than seamless accommodation. Rather than smoothing every in…
Access hack (Accessibility workaround, Adaptive strategy, Crip hack)
A creative workaround, adaptation, or improvised solution that a disabled person develops to navigate an inaccessible tool, environment, or system. Access hacks range from physical modifications (adap…
Access labour (Access labor, Disability labour, Accommodation labour)
The additional physical, cognitive, and emotional work that disabled people must perform to navigate inaccessible environments, systems, and social situations. This includes researching whether venues…
Access to Information (Information Access)
In the context of web accessibility, the concept that certain accessibility criteria are fundamentally about whether users can reach and perceive content at all, as distinct from criteria that improve…