Rummy is essentially about using the cards in your hand to form sets and runs. A run is a series of three or more cards in the same suit, whereas a set is made up of three or win roulettefour cards of the same rank but different suits. When another player goes out, the goal is to combine these combinations while reducing the number of points in your hand. Understanding Rummy's rules & variations is crucial because various iterations may add special components that affect gameplay. Knowledge of the scoring system is also essential.