Movement from the outside to the inside of something that can be imagined as surrounding, enclosing or around the object:
- He got into the car.
Movement causing something to hit something else:
- He swerved into the tree.
Across
‘Across’ is used to describe:
Movement from one end of something to the other:
- He walked across the road.
- He strode across the bridge.
Something’s position when it stretches over the surface it is on: