n. - A subject or topic on which a person writes or speaks; a proposition for discussion or argument; a text.
n. - Discourse on a certain subject.
n. - A composition or essay required of a pupil.
n. - A noun or verb, not modified by inflections; also, that part of a noun or verb which remains unchanged (except by euphonic variations) in declension or conjugation; stem.
n. - That by means of which a thing is done; means; instrument.
n. - The leading subject of a composition or a movement.