Glossary

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Caption Accuracy(also: Captioning Accuracy, Transcription Accuracy)

A measure of how correctly captions represent the spoken content, typically expressed as the percentage of words that match the ground truth transcript. Caption accuracy is critical for deaf and hard of hearing users who depend on captions for comprehension, particularly in…

Code Review(also: Peer Code Review)

A software quality assurance practice in which one or more developers systematically examine source code written by a colleague, looking for bugs, design issues, readability problems, and adherence to coding standards. Code reviews can be asynchronous (reviewing pull requests)…

Code Walkthrough

A form of peer review in which a developer leads colleagues through a segment of code, explaining its logic, structure, and design decisions line by line. Unlike pair programming where both developers actively write code, a walkthrough is typically led by one person while others…

Conformance Testing(also: Compliance Testing, Guideline Review)

An accessibility evaluation method that checks whether a website or digital product meets the requirements specified by accessibility guidelines or standards such as WCAG. Conformance testing can be performed manually by human evaluators or through automated testing tools that…

Continuous Integration/Continuous Delivery(also: CI/CD, Continuous Integration, Continuous Delivery)

Continuous Integration/Continuous Delivery (CI/CD) is a software development practice where code changes are automatically built, tested, and prepared for release on an ongoing basis. In accessibility practice, CI/CD pipelines can incorporate automated accessibility testing…

Controlled Language(also: Controlled Natural Language, CL)

An explicitly defined restriction of a natural language that specifies constraints on vocabulary, grammar, and style to improve clarity, consistency, and machine processability of text. In accessibility, controlled language rules can be applied to improve the quality of content…

Controlled Language(also: CL, Controlled Natural Language)

A restricted subset of a natural language that limits vocabulary, grammar, and style to reduce ambiguity and improve clarity and consistency in writing. In accessibility, controlled language rules can be applied to verify and improve the quality of text alternatives for images,…

Correctness(also: Precision, Validity)

In the context of accessibility evaluation, correctness (also called precision) is the proportion of reported accessibility problems that are true problems — that is, issues that genuinely affect users with disabilities rather than false positives. A high correctness rate means…

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