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Unified Modelling Language comparison table

Subject	use	have extension mechanisms	have semantics	accept as	be not	associate with	have custodian	has definition	invent by	have objective	abbreviate as	is a kind of	is an instance of
graphical language												language
modelling language												language
Unified Modelling Language	to create visual models of a software system	which allow software designers to represent concepts that are not part of the core of UML	which describe the meaning of the various notations	the standard approach to representing many aspects of software	a methodology because it does not describe in a step-by-step way how to do things	Object Constraint Language (OCL), a textual language that allows you to state various facts about the elements of the diagrams	Object Management Group (OMG)	A standard language for modelling various aspects of software, which includes, among other things, a set of diagrammatic notations	Booch, Rumbaugh and Jacobson in the 1990's	to assist in software development	UML	graphical language	modelling language

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