Design Nomenclature / Systems & Spec
POUR
Also called perceivable operable understandable robust, the four principles
This entry has not been translated yet and is shown in English.
The four principles WCAG's success criteria are organised beneath: perceivable, operable, understandable, robust. A filing system rather than a test — nothing is measured at principle level — but a decent triage for asking why something failed before arguing about which criterion it failed under.