What do you mean by official symbol, finger back, national seal and noble representative?

The official symbol, Chen Cong's name. Medieval evil spirits. One of the so-called Chen Cong by ancient astrologers. I think one year old and twelve years old follow the good gods and evil spirits.

Finger back, one of the stars. Lunar birthday: year, month and day. The sum of numbers is divided by the number of years. The sum of the first five numbers in the data is singular, that is, the chart points to the back star.

Noble national seal, one of the four gods. Evil spirits include auspicious spirits and evil spirits. Originated from ancient Han myths and legends. It is said that it can bring misfortune and happiness to mankind. A sees Xu, B sees the sea, C sees ugliness, D sees yin, E sees ugliness, opinion is yin, Geng sees Chen, Xin sees Si, I see no, I see Shen.