I wanna note this myself so I can't forget this stuff.    Orthogonal vs Isometric Via StackExchange.com  or this link StackExchange Orthogonal vs Isometric    Orthogonal vs Isometric via Yahoo Asnwers   With regards to foreshortened, according to Wikipedia on Perspective , it means as,   Foreshortened: the size of an object's dimensions along the line of sight are relatively shorter than dimensions across the line of sight