ISO 9241 Composition

Consisting of 8 sections:

A. Usability
B. Presentation of information
C. Dialogue principles
D. User guidance
E. Menu dialogues
F. Command dialogues
G. Direct manipulation
H. Form filling dialogues

No concrete quantitative standard of application

Context of use dimensions with 9241:

User type, role and task descriptions,
Software functionality
Organisation, technical and physical environment