Usability defines how well the application meets the requirements of the user and consumer by being intuitive, easy to localize and globalize, providing good access for disabled users, and resulting in a good overall user experience.
- Reference to specific UI/UX guideline to be followed
- List of devices to be supported (if applicable)
- List of resolutions to be supported (if applicable)
- List of OS versions to be supported
- List of browsers/versions to be supported (if applicable)
- List of locales/cultures to be supported
- Support of Section 508 (ability to operate for people with disabilities): yes/no
- Accelerators like hotkeys, 'suggestion lists', etc: list
- Number of clicks to access particular functionality in UI: # of clicks
- Mean time, required to average user to get used with the system: # of mins