Card game or for card placement), while board games (the principal non-card game genre to use cards) generally focus on the players' positions on the board, and use the cards for some secondary purpose. A card game is played with a "deck" or "pack" of playing cards which are identical in size and shape. Each card has two sides, the "face" and the "back". Normally the backs of the cards are indistinguishable. The faces of the cards may all be unique, or there can be duplicates. The composition of a deck is known to each player. In some cases several decks are
Card game gambling games in which players bet into a pool, called the pot, value of which changes as the game progresses that the value of the hand they carry will beat all others according to the ranking system. Variants largely differ on how cards are dealt and the methods by which players can improve a hand. For many reasons, including its age and its popularity among Western militaries, it is one of the most universally known card games in existence. Many other card games have been designed and published on a commercial or amateur basis. In some cases, the game uses