Everything has perspective! You can't look at anything without your point of view falling into a perspective category. The goal is to be able to recognize it.
1 Point Perspective
This perspective has all the horizontal lines parallel and completely flat. Vertical lines also are completely straight but and down.
2 Point Perspective
Vertical lines stay completely up and down, whereas all other lines are directed to 2 different points on the horizon line.
3 Point Perspective
Learning each perspective (1,2,3)