Possible Definitions:
1. Theme (n.) A subject or topic on which a person writes or speaks; a proposition for discussion or argument; a text.
2. Theme (n.) Discourse on a certain subject.
3. Theme (n.) A composition or essay required of a pupil.
4. Theme (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.
5. Theme (n.) That by means of which a thing is done; means; instrument.
6. Theme (n.) The leading subject of a composition or a movement.
