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.

comment

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

Thing > Property > comment

Comments, typically from users.

Usage: Between 50,000 and 100,000 domains
Values expected to be one of these types
Comment
Used on these types
CreativeWork
RsvpAction

Schema Version 3.3