D defs.my
Entry 4 senses Webster, 1913

Commentary

/käm'-ən-tĕrˌ-ē/ · Com·men·ta·ry · IPA /ˈkɑ.mənˌtɛ.ɹi/
01 n. A series of comments or annotations; esp., a book of explanations or expositions on the whole or a part of the Scriptures or of some other work.
pl. Commentaries ((#))
  1. 1.
    A series of comments or annotations; esp., a book of explanations or expositions on the whole or a part of the Scriptures or of some other work.
    “This letter . . . was published by him with a severe commentary.” Hallam.
  2. 2.
    A brief account of transactions or events written hastily, as if for a memorandum; -- usually in the plural; as, Caesar's Commentaries on the Gallic War.
  3. 3.
    A single essay, written or spoken, discussing or explaining a topic, especially regarding a recent event; as, the election report was followed by several commentaries from political analysts.
  4. 4.
    Something considered as exemplifying or ilustrating a point or opinion; as, the California recall vote is a sad commentary on the frivolous approach of people to politics.