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usability principle 4
subjectfact 
usability principle 4can be followed by
  • Ensuring that the user can see what commands are available and are not available
  • making the most important commands stand out
2001-08-30 14:58:11.0
is a subtopic of 7.5 - Usability Principles2001-08-30 14:58:11.0
is an instance of usability principle2001-08-30 14:58:11.0
states Ensure that the user always knows what he or she can and should do next, and what will happen when he or she does it2001-08-30 14:58:11.0