Com·ment v. i. [imp. & p. p. Commented; p. pr. & vb. n. Commenting.] To make remarks, observations, or criticism; especially, to write notes on the works of an author, with a view to illustrate his meaning, or to explain particular passages; to write annotations; -- often followed by on or upon.
A physician to comment on your malady. --Shak.
Critics . . . proceed to comment on him. --Dryden.
I must translate and comment. --Pope.