I'd like to start with how to play a downhill or uphill shot. Is the adjustment simply ball more forward or backward in the stance, respectively? Or do we attempt to get the shoulders more parallel to the ground in setup and leave ball position as though it's a level lie?
Although the Inclined Plane extends infinitely in all directions, it should be viewed as rectangular, with four 90 degree corners. This Plane is always erected perpendicularly to the ground: