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An instance specification is a model element that represents an instance in a modeled system. | Webel IT Australia "The Elements of the Web"

An instance specification is a model element that represents an instance in a modeled system.

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Note that an

Note that an InstanceSpecification is not per se an instance, although it may describe (partially or fully) a runtime instance. It is a common error to equate an InstanceSpecification model element and the concept instance, however the subtle difference is sometimes important.

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