One point perspective
One point perspective is drawing the geometrical object from one line, which means all the symmetrical and asymmetrical grids will be coming from that one point creating such landscape sketch.
Two point perspective
Two point perspective is creating Symmetrical and asymmetrical grids from two opposite points to show a geometrical object in different views depending on the grids.

Three point perspective

3 Point perspective has 3 vanishing points, the horizon line connecting two together then the thirsd lies whther on the bottom of the page which brings the shape’s ending space outwards, or at the top of the page which makes the shape’s ending space inwards as shown.

