A domain that can be categorised is distinct from any categorising of it.[1] Categories are not “out there” to be discovered, but are established through the interaction of recognition systems with a categorisable domain, which potentially includes the categorising processes themselves. The categorisable domain is potential, the categorising is a process.
Footnote:
[1] Models don’t “construct reality” — they are organisations of categorisations of the categorisable. All models are organisations of categorisations, not of the categorisable.