What is Commentariat?

Commentariat definition and meaning on Dictionary terms:
a remark, observation, or criticism: a comment about the weather.
gossip; talk: His frequent absences gave rise to comment.
a criticism or interpretation, often by implication or suggestion: The play is a comment on modern society.

a user response to published content on the Internet, written in a designated a??Commentsa?? section, often below the published content: There were many online comments criticizing the author.
a note in explanation, expansion, or criticism of a passage in a book, article, or the like; annotation.
explanatory or critical matter added to a text.
Also called rheme. Linguistics. the part of a sentence that communicates new information about the topic.Compare topic(def 4).

verb (used without object)
to make remarks, observations, or criticisms: He refused to comment on the decision of the court.
to write explanatory or critical notes upon a text.

verb (used with object)
to make comments or remarks on; furnish with comments; annotate.