usability principle 4 concept from the Object Oriented Software Engineering knowledge base

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usability principle 4

subject fact

usability principle 4 can 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 Principles
is an instance of usability principle
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 it

usability principle 4	can be followed by Ensuring that the user can see what commands are available and are not available making the most important commands stand out
	is a subtopic of 7.5 - Usability Principles
	is an instance of usability principle
	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 it