By showing objects on the table from various vantage points at the same time.
Is a measurement of wire diameter
Can you even spell? And if you could it would probably be something bad.
It is the border that is around the original art piece itself. So the artwork is either placed on a board that is then cut 1/2 an inch around the artwork itself. Or in other cases the canvas, paper, etc is masked off 1/2 an inch around the edge of the paper.
Hope this helps!