to the other side (of); from one side to the other side of
He took her across the road.

from one end to the other
He walked along several streets

at or towards the back of
The tourists left their litter behind them.

next to; near; at the side of
He sat by his sister.

a point where two lines, walls, roads etc meet
The subway station is just at the corner.

the part of anything (intended to be) nearest the person who sees it; usually the most important part of anything
You can get a taxi in front of the hotel.

on, for, or belonging to, the side of the body that in most people has the less skilful hand
Go straight and turn left at the corner.

the central point or part
She stood exactly in the middle of the room.

nearest in place, time etc
It's next to the library.

up to and beyond
He ran past me.

on or related to the side of the body which in most people has the more skilful hand, or to the side of a person or thing which is toward the east when that person or thing is facing north (opposite to left)
When I'm writing, I hold my pen in my right hand.

(moving, facing etc) in the direction of: He walked toward the door
She turned towards him.