A deck of cards is a set of rectangular pieces of cardboard or plastic used for playing various card games. Typically, a standard deck contains 52 cards divided into four suits: hearts, diamonds, clubs, and spades. Each suit has 13 ranks, including numbered cards from 2 to 10, and face cards like jack, queen, and king. Many decks also include two jokers, which can be used in some games. Decks of cards have a long history and are used worldwide for entertainment and social interaction. They can be used for games like poker, bridge, and solitaire, as well as for magic tricks and fortune-telling. The design and artwork on the cards can vary widely, reflecting different cultures and themes.