Used as an expletive subject of be in its sense of “exist”, with the semantic, usually indefinite subject being postponed or (occasionally) implied.

(takes a reflexive pronoun) in that; in that place; in him/her/it.

After that, from then on; thenceforth.

Used other than figuratively or idiomatically: see be, there. / (idiomatic) To be available to provide comfort and support for someone, especially in a period of difficulty.

(formal) From that; from him, her, or it.

(formal) By it; by that; by that means, or as a consequence of that.

In that place; there (at some distance). / To that place; thither (at some distance).

(nautical) The traditional hail of the lookout in a whaler (whaling ship) when sighting the spouting water thrown up by a whale surfacing.

in the following part (of a document or speech)

(now chiefly in law) For that; in return for that.