Define the term commentary

Answer 1

To comment on something you like or have not heard of.

Dictionary.com defines commentary as:

1. a series of comments, explanations, or annotations: a commentary on the Bible; news followed by a commentary. 2. an explanatory essay or treatise: a commentary on a play; Blackstone's commentaries on law. 3. anything serving to illustrate a point, prompt a realization, or exemplify, esp. in the case of something unfortunate: The dropout rate is a sad commentary on our school system. 4. Usually, commentaries. records of facts or events: Commentaries written by Roman lawyers give us information on how their courts functioned.

It goes on to say that the word entered English in 1531, and came from the Latin word commentarius "notebook, annotation," whose root is commentum.