#pack_of_cards__deck_of_cards__deck  a pack of 52 playing cards
  supertype:  #pack.aggregation  a complete collection of similar things
  member:  #playing_card__playingcard  one of a pack of cards used in playing card games
  member:  #queen.face_card  one of four face cards in a deck bearing a picture of a queen
  member:  #suit.playing_card  playing card in any of four sets of 13 cards in a pack; each set has its own symbol and color; "a flush is five cards in the same suit"; "in bridge you must follow suit"; "what suit is trumps?"

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