#exercise__practice_session__practice__drill  systematic training by multiple repetitions; "practice makes perfect"
  supertype:  grooming__training__preparation  activity leading to skilled behavior
  subtype:  fire_drill  an exercise intended to train people in duties and escape procedures to be followed in case of fire
  subtype:  manual_of_arms__manual  (military) a prescribed drill in handling a rifle
  subtype:  military_drill__drill  training in marching and the use of weapons
     subtype:  close-order_drill__closeorderdrill  (military) military drill of troops in standard marching (shoulder-to-shoulder)
     subtype:  square-bashing  (British military slang) drill on a barracks square
  subtype:  rehearsal  (psychology) a form of practice; repetition of information (silently or aloud) in order to keep it in short-term memory
  subtype:  dry_run__dryrun__rehearsal__run_through__runthrough  a practice session in preparation for a public performance (as of a play or speech or concert); "he missed too many rehearsals"; "a rehearsal will be held the day before the wedding"
     subtype:  dress_rehearsal__dressrehearsal  a full rehearsal shortly before the first performance
  subtype:  brushup__review  practice intended to polish performance or refresh the memory
     subtype:  rub_up__rubup  (British) a review that refreshes your memory; "I need a rub up on my Latin"
  subtype:  scrimmage  practice play between a football team's squads
  subtype:  shadowboxing  sparring with an imaginary opponent (for exercise or training)
  subtype:  target_practice  practice in shooting at targets

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