? Relationship of these four components of an ObCS object (partly from my viewpoint ):

Relationship of these four components of an ObCS object (partly from my viewpoint ):

	*Service*	*Behaviour*	*State*	*Presentation*
Classification:	Interactive	System	System	Interactive
Explanation:	Functions provided by system	Transfer mechanism of system states	System states	System-user interface
Examples in real system:	Functions linked with widgets	System function implementation details	System states specified by system designer	Updated widgets after an interaction