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

articleSection

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

Thing > Property > articleSection

Articles may belong to one or more 'sections' in a magazine or newspaper, such as Sports, Lifestyle, etc.

Usage: Between 100,000 and 250,000 domains
Values expected to be one of these types
Text
Used on these types
Article

Schema Version 3.4