Official script: not only refers to regular script, but also refers to Weibei.
Cursive script: refers to the wild grass represented by Zhang Xu and Huai Su. , also refers to the big grass. It also refers to a cursive script that is more standardized than wild grass, called grass, represented by the Book Score written by Sun in the Tang Dynasty. In addition, there is an urgent official script called Cao Zhang.
Official script: produced in the late Qin dynasty and early Han dynasty. At first, it was mainly used to copy official documents for simplicity. Later it was also used to write inscriptions and cliff carvings.
Seal script: Oracle Bone Inscriptions, Zhong Ding, Shigu, seal script.