Domain Model element types

The following Table shows the UCEd representation of domain element types, the icon associated with each of the elements in the editor, and the type of their possible children.

Table 3.1: UCEd representation of domain elements.

Domain element types	Icon	Possible children
System Concept	$\epsfbox{ucedSConcIc.eps}$	Concept, Aggregate, Attribute,
		Possible Value Set, Operation Set
Concept	$\epsfbox{ucedConcIc.eps}$	Concept, Aggregate, Attribute,
		Possible Value Set, Operation Set
Aggregate	$\epsfbox{ucedAggrIc.eps}$	Aggregate, Attribute, Possible Value Set,
		Operation Set
Instance	$\epsfbox{instance.eps}$
Attribute	$\epsfbox{ucedAttrIc.eps}$	Possible Value Set
Operation Set	$\epsfbox{ucedOPVSetIc.eps}$	Operation
Operation	$\epsfbox{ucedOpIc.eps}$	Precondition,
		Added Condition, Withdrawn Condition
Possible Value Set	$\epsfbox{ucedPVSetIc.eps}$	Value
Value	$\epsfbox{ucedValIc.eps}$
Operation Precondition	$\epsfbox{ucedOpPrecIc.eps}$
Added Condition	$\epsfbox{ucedAddcIc.eps}$
Withdrawn Condition	$\epsfbox{ucedWithcIc.eps}$