
http://t3.gstatic.com/images?q=tbn:KT-b3vlger8wPM%3Ahttp:

Oblique drawing shows it face on and is similar to isometric since it uses a regular scale. it is a way of showing depth.http://t1.gstatic.com/images?q=tbn:yc41pw5gdVeGXM%3Ahttp://mathforum.org/workshops/sum98/participants/sanders/oblexamples.gif

http://www.hollyzell.com/images/art121/orthographic.jpg
Orthographic view shows 1 side. Orthographic drawing are views of an object.