Definition of here:
the present location; this place; "where do we go from here?"
queen of the Olympian gods in ancient Greek mythology; sister and wife of Zeus remembered for her jealously of the many mortal women Zeus fell in love with; identified with Roman Juno
being here now; "is everyone here?"
in or at this place; where the speaker or writer is; "I work here"; "turn here"; "radio waves received here on Earth"
in this circumstance or respect or on this point or detail; "what do we have here?"; "here I must disagree"
to this place (especially toward the speaker); "come here, please"
at this time; now; "we'll adjourn here for lunch and discuss the remaining issues this afternoon"