vocabularies

The role names of open carrying baskets that share one slot-profile (an open-walled carrying receptacle) and differ only by use + size: laundry, fruit, shopping, hand. A growing vocabulary (L13). LaundryBasket / FruitBasket are NOT classes — they add no exclusive slot over Basket, so they are values here (the fold discipline); a basket that adds an exclusive slot (e.g. a wheeled hamper) mints a child when seeded.

Answers the question: basket type.