The "jack of spades" is a playing card from a standard deck, which consists of 52 cards divided into four suits: hearts, diamonds, clubs, and spades. The jack is the face card that ranks just below the queen and above the ten. In many card games, the jack can have special roles or values, depending on the rules being used.
In a typical deck, the jack of spades features a male figure, often depicted in a stylized manner, holding a weapon or tool. The spade suit is usually associated with the element of earth and can symbolize wisdom or labor. The jack of spades is often used in games like poker and bridge.