Glossary

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AI Code Assistant(also: AI coding assistant, AI programming assistant)

A developer tool powered by large language models that provides code completion, natural-language explanations, refactoring, bug fixes, and conversational programming support inside an IDE or editor. Modern AI code assistants (e.g., GitHub Copilot, Cursor, Cline) often include…

AI Coding Assistant(also: AI Pair Programmer, Code Copilot)

An artificial intelligence tool integrated into code editors that assists developers by generating code suggestions, completing code snippets, and answering programming questions using large language models trained on code repositories. In accessibility contexts, AI coding…

Acceptance Testing(also: 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 — such as navigating a web page using only the keyboard or activating…

Accessibility API(also: Accessibility Application Programming Interface, A11y API)

A set of programming interfaces provided by operating systems that allow assistive technologies and accessibility services to interact with application user interfaces. Accessibility APIs expose information about on-screen elements — their labels, roles, states, and…

Accessibility Bug Report(also: ABR, Accessibility Defect Report)

A bug report that specifically documents an accessibility barrier or failure in software. These reports describe issues that prevent or hinder people with disabilities from using an application, such as missing alternative text, unlabeled form controls, keyboard navigation…

Accessibility Linter(also: A11y Linter, Accessibility Lint)

A static analysis tool that scans source code — typically HTML, CSS, and related web technologies — for accessibility violations against standards such as WCAG. Accessibility linters can be integrated into code editors, build pipelines, or run as standalone tools to flag issues…

Accessible Software(also: Accessible Application, Accessible Program)

Software that is designed and developed so that people with disabilities can effectively perceive, understand, navigate, interact with, and contribute using the application. Accessible software properly exposes its interface elements through platform accessibility APIs, supports…

Agent Mode(also: AI agent mode)

An interaction mode in AI code assistants where the assistant autonomously decomposes a high-level request into subtasks, iteratively plans, executes, and observes — typically editing multiple files, running terminal commands, and self-correcting until goals are met. Agent mode…

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