(coord number number number) (: number number number)
It is used to specify positions in space, vector directions, and color vectors.
(coord 0 0 1) or (: 0 0 1) This code creates a mathematical vector from the origin to the point (0, 0, 1).
(coord 0 0 1) or (: 0 0 1)
This code creates a mathematical vector from the origin to the point (0, 0, 1).