The Tarot is a specific system that has 78 cards in total. There are 4 suits (referred to as the minor arcana) and 22 other cards (referred to as the major arcana). Each card represents a specific energy. And each card, through the picture on the card, is trying to help you to feel the specific energy of that card. The reason there are so many different kinds of Tarot decks is that Different Tarot decks may present this energy in different pictorial form. We have lots of articles on Tarot.