* Noun: This is the most common usage. It refers to a spoken or written explanation, description, or analysis of something.
* Example: "The sports commentator provided insightful commentary on the game."
* Adjective: This is less common, but "commentary" can sometimes describe something that is related to comments or explanations.
* Example: "The book included commentary on the author's personal experiences."
* Verb: This is even less common, but "commentary" can be used as a verb meaning "to provide commentary."
* Example: "The journalist commentary on the political situation."
Overall, "commentary" is most often a noun.