Principles of accessibility design
According to W3C Web Content Accessibility Guidelines (WCAG) the four basic principles of accessibility design are perceivability, operability, understandability and robustness. These principles offer a foundation for creating software that is usable by people with impairments. The key guidelines under these principles are summarized below.
Perceivability
An application that is perceivable means that information can be identified by more than one sens...
Operability
Software applications should allow users to perform all the actions necessary to navigate the use...
Understandability
Software that is understandable means that the user comprehends both the information it presents ...
Robustness
Robustness means that software should be compatible with most devices and assistive technologies....