Below means below centre.
Right means right of centre.
Left means left of centre.
Massé Stroke.
The centre, as the player looks down upon the ball:
Aft means off the perpendicular centre, directly away from the object-ball looking from above, in direction of the line of aim.
Forward means forward of centre toward object-ball.
Right means right of centre from line of aim.
Diagram illustrating a stroke of the cue which imparts the four primary motions to the ball.