A playing card which has a picture on it (usually Jack, Queen or King (coat card), but sometimes including Ace or Joker).
A trading card/trade card.
A flash memory card for a digital camera.
A collectible card, sometimes sticker, usually made out of paperboard or thick paper, which usually contains an image of a certain person, place or thing (fictional or real) and a short description of the picture, along with other text (attacks, statistics, or trivia). There is a wide variation of different types of cards, like sports, cars, natural history, film characters or other information of interest to purchasers. Sometimes is included with tobacco, food or confectionery products.