<Li> Guideline 2.4: Provide ways to help users navigate, find content, and determine where they are . </Li> <P> Information and the operation of user interface must be understandable . </P> <Ul> <Li> Guideline 3.1: Make text content readable and understandable . </Li> <Li> Guideline 3.2: Make web pages appear and operate in predictable ways . </Li> <Li> Guideline 3.3: Help users avoid and correct mistakes . </Li> </Ul> <Li> Guideline 3.1: Make text content readable and understandable . </Li>

Level aa of the web content accessibility guidelines (wcag) 2.0