a. A side view of an object or structure, especially of the human head.
b. A representation of an object or structure seen from the side.
I'm still not quite understanding it - I need some visual help.
No comments needed, you're not going to read them anyway. Just grab a glass of wine, put your feet up, sit back and enjoy.
Consider this an Easter gift from Robert Pattinson via myself, Goz and Kate - Happy Easter :-)