See also #usable.
Definitions:
Capability of a product to present functions and information in an inviting and motivating manner, supporting continued interaction. This refers to properties of the product that increase the pleasure and satisfaction of the user, such as harmonious colour, intuitive user interface or friendly voice guidance.
The name of “user engagement” replaces the previous name “user interface aesthetics” (in ISO-25010-2011) as quality subcharacteristic.
Note from ISO-25010:2023