Success Criterion 1.3.4 Orientation Understanding Orientation | How to Meet Orientation (Level AA) Content does not restrict its view and operation to a single display orientation, such as portrait or landscape, unless a specific display orientation is essential . Note Examples where a particular display orientation may be essential are a bank check, a piano application, slides for a projector or television, or virtual reality content where content is not necessarily restricted to landscape or portrait display orientation. Success Criterion 1.3.5 Identify Input Purpose Understanding Identify Input Purpose | How to Meet Identify Input Purpose (Level AA) The purpose of each input field collecting information about the user can be programmatically determined when: The input field serves a purpose identified in the Input Purposes for user interface components section ; and The content is implemented using technologies with support for identifying the expected meaning for form input data. Success Criterion 1.3.6 Identify Purpose Understanding Identify Purpose | How to Meet Identify Purpose (Level AAA) In content implemented using markup languages, the purpose of user interface components , icons, and regions can be programmatically determined . Guideline 1.4 Distinguishable Understanding Distinguishable | How to Meet Distinguishable Make it easier for users to see and hear content including separating foreground from
               background.