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characteristic of the user interface that facilitates use and thereby establishes effectiveness, efficiency and user satisfaction in the intended use environment


This is a concrete item and can be implemented directly

Term: usability; 
Plural: usability; 


Note 1 to entry: all aspects of usability, including effectiveness, efficiency and user satisfaction, can either increase or decrease safety


Diagrammatic representation

Simple graph - usability

Required associations

Optional associations

a number of usability establishes a number of effectiveness
a number of usability may decrease a number of safety
a number of usability may increase a number of safety
a number of usability contributes to a number of security
a number of usability is a part of a number of quality