What is There?

There definition and meaning on Dictionary terms:
in or at that place (opposed to here): She is there now.
at that point in an action, speech, etc.: He stopped there for applause.
in that matter, particular, or respect: His anger was justified there.

into or to that place; thither: We went there last year.
(used by way of calling attention to something or someone): There they go.
in or at that place where you are: Well, hi there.

(used to introduce a sentence or clause in which the verb comes before its subject or has no complement): There is no hope.
that place: He comes from there, too.

that point.

that state or condition: I’ll introduce you to her, but you’re on your own from there on.