How many ways are there for divination?

There are three main ways of divination and divination. One is to observe the complexion, analyze the logic and guess, which is not real divination. The second way is based on the gossip principle of Zhouyi, which requires study and practice, and there are more complicated technical problems. The accuracy of this divination is related to people's mood and state. The third way is to communicate directly with knowledge or to inform people with sounds and pictures, so that people can accurately say what others ask. Or you can see images or even text symbols from other people's hands and faces, and then say what others want to divine.