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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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Sensory Characteristics(also: WCAG 1.3.3, Success Criterion 1.3.3)
WCAG 2.1 Success Criterion 1.3.3 (Level A), which requires that instructions for understanding and operating content not rely solely on sensory characteristics such as shape, colour, size, visual location, orientation, or sound. Examples that violate 1.3.3 include referring to…
Success Criteria(also: Success Criterion, SC)
The testable statements within the Web Content Accessibility Guidelines (WCAG) that define specific requirements for making web content accessible. Each success criterion is assigned a conformance level (A, AA, or AAA) indicating its priority. Success criteria are…
Sufficient Techniques(also: Sufficient Advisory Techniques)
In the WCAG framework, sufficient techniques are documented methods for meeting a specific success criterion. If a content author correctly implements a sufficient technique, it is enough to satisfy the associated requirement. Multiple sufficient techniques may exist for a…

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