Dictionary

(abstract) This place; this location.

Example: An Alzheimer patient's here may in his mind be anywhere he called home in the time he presently re-lives.

(abstract) This time, the present situation.

Filler after a noun or demonstrative pronoun, solely for emphasis.

Example: John here is a rascal.

Filler after a demonstrative pronoun but before the noun it modifies, solely for emphasis.

Example: This here orange is too sour.

(location) In, on, or at this place.

Example: Flu season is here.

(location) To this place; used in place of the more dated hither.

Example: Please come here.

(abstract) In this context.

Example: Derivatives can refer to anything that is derived from something else, but here they refer specifically to functions that give the slope of the tangent line to a curve.

At this point in the argument, narration, or other, usually written, work.

Example: Here endeth the lesson.

Used semi-assertively to offer something to the listener.

Example: Here, now I'm giving it to you.

Used for emphasis at the beginning of a sentence when expressing an opinion or want.

Example: Here, I'm tired and I want a drink.