Goal: Form your cards into sets or runs to lower your 'Deadwood' score.
Sets: 3 or 4 cards of the same rank (e.g. 7♠ 7♥ 7♦).
Runs: 3 or more consecutive cards of the same suit (e.g. 4♥ 5♥ 6♥).
Turn: Draw 1 card (Stock or Discard), then Discard 1 card.
Knock: End the round if your unmelded cards (Deadwood) total 10 points or less. Face cards = 10, Ace = 1.