A series of comments or annotations; especially, a book of explanations or expositions on the whole or a part of some other work.
An oral relation of an event, especially broadcast by television or radio, as it occurs.
A brief account of transactions or events written hastily, as if for a memorandum.
An essay or report which expresses a position, conclusion, or recommendation concerning a contested issue or undecided question and which usually contains arguments or reasons in support of this position.