The very structure of this chapter parallels the structure of the four principal chapters for Level 1:

·         The distinction between the specification of something, the fundamental categories it falls into, and the thing itself.

·         The fact that everything is made up of components and otherwise associated with similar things.

·         The notion that names, identifiers, and other characteristics should be maintained separately by subject-matter experts, not made part of the structure of a model.

·         An approach to representing the derivation of characteristics from other characteristics.

·         The fact that, with the possible exception of Parties themselves, the managers of each thing can be identified.[(]


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