A Trackman is a machine that measures several statistics when a golfer strikes the golf ball, including swing speed, angle of attack and total distance. A trackman helps a PGA pro custom fit a player with proper clubs.
Angle of attack is the up or down movement of the club head at the time of maximum compression.
Clubhead speed is the rate at which the clubhead travels through impact.
Ball speed is the rate at which the ball travels immediately after impact.
Launch Angle is the angle the ball takes off relative to the horizon. Along with ball speed, launch angle is a primary component to determining the height and distance of a shot.
Total carry is the distance a golf ball travels in the air, from impact with the golf club to hitting the ground.
Total Distance is the yardage a golf ball travels from impact with the golf ball to resting at a complete stop on the ground. Total distance accounts for the distance a golf ball rolls after hitting the ground.
Face Angle is the direction the club face is pointed (right or left) at impact and is measured relative to the target.
Smash Factor is ball speed divided by club speed. Smash Factor relates to the amount of energy transferred from the club head to the golf ball.
Dynamic loft is the vertical angle of the club face at the center-point of contact between the club and ball at the time of maximum compression. Dynamic Loft is the amount of loft on the clubface at impact and is measured relative to the horizon.
Face to path is the difference between the face angle and the club path. For a right-handed golfer, a negative face to path would represent a face angle that is "closed" to the path and a positive face to path would represent a face angle that is "open" to the path.