Angular measure between directional lines.

the direction from which the artist photographs the subject.

The direction of the delivery and the path the ball takes toward the pins.

The direction at which the ball is traveling when it enters the pocket.

The external surface of the rib is convex, smooth, and marked, a little in front of the tubercle, by a prominent line, directed downward and laterally; this gives attachment to a tendon of the Iliocostalis, and is called the angle.