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.

representativeOfPage

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

Thing > Property > representativeOfPage

Indicates whether this image is representative of the content of the page.

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

Schema Version 3.2