1) Planar geometric projections are of two types: Parallel projections and Perspective projections.
2) Parallel Projection is of two types: Orthographic Projection and Oblique Projection.
3) Orthographic projections can be further classified to top projection, front projection, side projection and axonometric projection.
4) Isometric projection is a type of axonometric projection.
5) Oblique Projection can be further classified as Cabinet and Cavalier Projections.
6) Perspective projection is of three types: One point projection, Two point projection and Three point projection.