At or towards the front; in the direction one is facing or moving.
To a later time.
At an earlier time; beforehand; in advance.
To an earlier time.
In or for the future.
So as to be further advanced, either spatially or in an abstract sense.
Toward the back or rear of something.
Toward the back or rear of something.
The last troop; the rear of an army; a rear guard.
The part that comes last or is situated in the rear; conclusion, wind-up.