core + pending (Pending Extension): these terms are pending wider review. Feedback is welcomed!

category

Defined in the pending.schema.org extension.
Canonical URL: http://schema.org/category

Thing > Property > category

A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.

Usage: Between 50,000 and 100,000 domains
Values expected to be one of these types
PhysicalActivityCategory
Text
Thing
Used on these types
Invoice
Offer
PhysicalActivity
Product
Service
Used on types defined in extensions
ActionAccessSpecification - defined in the pending extension

Schema Version 3.4