Standard deck = 52 cards
Four suits: Spades, Hearts, Diamonds, Clubs
13 ranks per suit: Ace, 2–10, Jack, Queen, King
Two colors: red () and black ()
Face cards: Jack, Queen, King
Aces: high or low (depends on the game)
Often includes 2 jokers (game-dependent)
Used for many games: poker, blackjack, solitaire, go fish