What does the official character mean?

In the past, the eight characters were divided into upper, middle and lower. The last eight words are God-given eight characters, that is, the eight characters of the god beast "God has the virtue of good life", which are used for fortune telling! People's eight characters are Chinese characters, and people are between heaven and earth. The next eight words are the eight characters of the dead, and they are also measured by fortune tellers! According to Yuan Tiangang, there are eight characters that are lighter than eight characters and heavier than eight characters. This official word is divided into six grids; Money, officials, seals, food, injuries and killings. The official eight characters refer to the official eight characters.