Glossary Last updated: 28 Oct 2003 Contact us about this page     Aim Within the rules, to accumulate points until you have reached the winning target before your opponent.  Divided into an attacking and a defensive factor.  See link Ats Safety attribute of shot - margin of error for avoiding a foul.  See link Ata Attack attribute of shot - probability of shot winning the rally outright.  See link Atd Deny attribute of shot - probability that the opponent's reply will have low Ata.  See link Atb Build attribute of shot - probability that the opponent's reply will have low Atd.  See link Hitting zone The volume of space around the body in which the racket head can move and play shots. See link Legal hitting zone The space on the player's side of the net.  See link Prepare phase From the moment the opponent strikes the shuttle till the moment the shot phase begins.  See link Possible hitting zone The space withint the legal hitting zone in which a shot can physically be played.  See link Possible impact set Set of points in a trajectory that a shot can be played from.  See link Possible shot set The shots playable in the possible impact set.  See link RP phase From the end of the shot phase till the moment the opponent strikes the shuttle.  See link Shot phase From the start of shot execution to the point at which kinetic energy that has accumulated during the shot can now be brought under control for the RP phase.  See link Trajectory The path through space taken by the shuttle