Q: When I address the ball, my left arm is straight. Should my elbow face the target? My arm tries to twist, pointing my elbow towards my left hip.
The direction the left elbow points is largely a result of the grip in your left hand. The stronger you left hand is on the club (turned to the right so you see three or more knuckles) the more your left elbow will point at the target. The weaker your left hand grip (turned to the left so you see one knuckle) the more your left elbow points towards you left hip. If your grip is neutral to weak and your left elbow still points at the target, relax your upper left arm and shoulder and let the shoulder and upper arm drop down and back away from the target line. This will allow your left elbow to point left of the target.