Principle 3 Understandable · Guideline 3.3: Input Assistance
3.3.5 Help
Context-sensitive help is available for forms.
What this means in practice
Explanations next to the field, a glossary or an example entry – not just a general help page.
Normative wording
The binding text lives at the W3C. What you read here is our own faithful rendering – not a quotation.