THE SMART TRICK OF MORE INFO THAT NO ONE IS DISCUSSING

Non-grammarians could not give a hoot, but ELU isn't aimed at them. And naturally the OP particularly requested regarding the POS of "here" and justifies an answer based on present thinking.two It really is what grammar is all about, and what This great site is about. The reanalysis of "here" and "there" is a fascinating and significant improvement