Thing (Pet, Car, House)
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10. A Thing is Non-Fungible Entity (NFE) (P9). Examples of Things include Pets (with embedded ID chips), Cars, Houses, Business Documents, Products, Assemblies, and Parts. The software component of a Software Agent is a Thing. If you’re talking about Software Agent as a business entity capable of performing behavior, then the Software Agent, in this context, is an Actor. A slice of a particular kind of Toast is not a Thing because it is fungible (P8) and (P9). A slice of Toast can be a Thing in the future when each slice of bread has its own bar code or serial number. A photo of a slice of Toast is a Thing because it is non-fungible (most photographs are non-fungible; hence, are Things). A living cell (skin cell, blood cell, etc.) is not considered to be an Actor (or a Thing). It is not a business entity nor a Non-Fungible Entity (P9) (within a single body of DNA) ..at least, not for the foreseeable future. A Thing has a Controller (P2). A Controller of a Thing is an Actor (P2).