Functionality, usability and accessibility

The circle map

The circle map is used for brainstorming ideas and for showing prior knowledge about a topic by providing context information.

In the middle goes funtionality, usability and accessibility. In the outer circle you write the information you already know about the given topic. In the outer square you write how you know and what you know.

Usability refers to quality of the digital product and process of desiging it.

Functionality is what a digital product does.

Accessibility describes whether a product can be used by people of all abilities and disabilities.

These elements are interlinked. For a digital product, accessibility will depend on how…