The word-form chosen to represent such a set or family.
The set itself; a lexemic family.
The abstract minimum unit of language or meaning that underlies such a set.
An individual instance of a continuous character sequence without spaces, used in lexical analysis (see token).
A term—word or a sequence of words—that acts as a unit of meaning, including words, phrases, phrasal verbs and proverbs, exemplified by cat, traffic light, take care of, by-the-way, and don't count your chickens before they hatch.