Usability

The ease and satisfaction with which people can learn and use a system to reach their goals.

Covers the property itself: how easily and satisfactorily people learn and use a system or application, including application usability. Measuring and improving it by testing with users is Usability engineering; shaping the whole experience of a product is User experience design.

Scheme

• Technologies and capabilities

Broader terms

• Human-computer interaction
• Software quality