Playing cards are a set of rectangular pieces of cardboard or plastic, typically featuring a combination of numbers and symbols. A standard deck consists of 52 cards divided into four suits: hearts, diamonds, clubs, and spades. Each suit contains cards numbered from 2 to 10, along with face cards like the jack, queen, and king, plus an ace. These cards are used in various games, ranging from simple ones like Go Fish to complex games like poker and bridge. Playing cards can also be used for magic tricks and fortune-telling, making them a versatile form of entertainment enjoyed worldwide.