Isometric
- A form of pictorial sketch in which all three drawing axes form equal angles of 120 degrees with the plane of projection.
Oblique
- A type of sketch involving a combination of a flat, orthographic front with depth lines receding at a selected angle, usually 45 degrees.
Perspective
- _A form of pictorial sketch in which vanishing points are used to provide the depth and distortion that is seen with the human eye. Perspective drawings can be drawn using one, two, and three vanishing points.
Multi-View
- _Views of an object projected onto two or more orthographic planes.