Jack of Spades meaning in Cartomancy and Tarot CardariumKnave for Spades symbolizes authority in a deck of cards. It represents a representation of intrigue, might, and perception. The Jack in ♠ can also mean a dark-haired person or a person that is talented in their expertise. This symbol frequently carries an air for mystery and can signify a need to trust one's own instincts when dealing with a particular scenario.