Physical Structures

Figure 19-1 shows that so far, we have not been talking about actual proteins and amino assets. We have been describing the specification of hypothetical Chemicals. Linking this back to the Enterprise Model at Level 1, it is clear that what we have been talking about are sub-types of Asset Type. That is, from our definition in Chapter 6, an Asset is “an item of value owned”[71] that has physical presence in the world. An Asset Type is a categorization of Assets. Here we are going to bend Merriam-Webster’s definition of “Asset” to include parts of the physical world that are not owned.[(]

Note that these are Other Asset Types, not Asset Specifications (as shown in Figure 19-4). This is a fundamental scheme for categorizing ...

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