Definitions:
denoting one or more people or things already mentioned or assumed to be common knowledge.

used to point forward to a following qualifying or defining clause or phrase

used to make a generalized reference to something rather than identifying a particular instance

enough of (a particular thing)

(pronounced stressing ‘the’) used to indicate that someone or something is the best known or most important of that name or type

used adverbially with comparatives to indicate how one amount or degree of something varies in relation to another