An abstract and general idea; an abstraction.
A description of supported operations on a type, including their syntax and semantics.
Understanding retained in the mind, from experience, reasoning and imagination; a generalization (generic, basic form), or abstraction (mental impression), of a particular set of instances or occurrences (specific, though different, recorded manifestations of the concept).
to conceive; to dream up
The abstract minimum unit of language or meaning that underlies such a set.
The word-form chosen to represent such a set or family.
The set itself; a lexemic family.
An individual instance of a continuous character sequence without spaces, used in lexical analysis (see token).