core + attic (Attic Area): these terms have been either depricated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

specialty

Canonical URL: http://schema.org/specialty

Thing > Property > specialty

One of the domain specialities to which this web page's content applies.

Usage: Between 1000 and 10,000 domains
Values expected to be one of these types
Specialty
Used on these types
WebPage

Schema Version 3.2