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properties /identity

property token a chosen word

trolley type

also called trolley use

Which wheeled mobile cart this is — a vegetable, kitchen, service, mop (janitorial), medical or utility trolley. These share the Trolley slot-profile (a wheeled multi-tier cart distinguished by wheel_count) and differ only by use, so they are VALUES not classes — a janitorial mop/service trolley adds no exclusive slot over a kitchen trolley (both are wheeled carts), the fold discipline. Concern identity (a kitchen vs medical trolley is a different listing, NON-axis-eligible); optional.

Trolley type is answered with one word chosen from the trolley types list — the same word shared across every product that uses it.

It belongs to identity — who and what it is.

asked by the kinds that answer it

1 kind answers it, each for a single value. The same question can be reused by unrelated kinds — one meaning, many homes.

answered with
token — a token — a word chosen from a fixed vocabulary, shared and filterable across products.
value domain
Trolley types — the vocabulary its answers are drawn from.
concern
Identity — the facet of a product it belongs to.

asked by kinds that answer it

The same question can be reused by unrelated kinds — one meaning, many homes.

kindhow many
trolley one