It is a very powerful system wherein interpretations are based on the messages received from divine energies. There are different types of Tarot Card decks with possibly different graphical representation but the interpretation will be the same always. The Tarot Reader has to first connect oneself to the universal flow of divine energy.
There are 78 cards in a deck and based on the question(s), the questioner is asked to pick a defined number of cards. These cards are then placed in a particular layout by the Tarot Reader. The pictorial representation presents a beautiful sketch of the answers to questions.
The Questioner is then guided accordingly by the Tarot Reader. It can be very helpful in cases where you are not aware of your accurate birth date and time.