Approaching the ball from below this plane typically results in pushes and push-hooks. The first element of the golf swing that will produce solid and straight shots is plane. From down the target line, this circle should be tilted the same angle as the clubshaft at address. The reason why varying swings on Tour produce such similar results is that, through the bottom of the swing, the club remains in this plane. While an on-plane swing is crucial, it's nonetheless useless if the clubface isn't square to the target at the moment of impact.
Face is the second true basic.
In order to gain control over the face of the golf club, you must match the position of your hands at address with the position of your hands at impact. Stand up and assume your address position. Look down and study your hand position. While the location of the hands at impact will likely be forward of their location at address, they must position themselves exactly how they look in your address position. By doing so, you'll guarantee that your face is pointing in the direction to which you set up to hit the ball.