Zhong Dingwen \ The bronze inscription on Zhong Ding in the early Bronze Age was called Zhong Dingwen, and later metal technology was developed.
Many metals can be engraved with words, so it was renamed as inscriptions on bronze.
Before Qin Shihuang unified the whole country, the characters of seal script were collectively called the unification of Qin Shihuang after the unification of big seal script.
A written word is called Xiao Zhuan.
Lishu began in the Han Dynasty.
The running script, regular script and cursive script after that have no obvious time division.
Note that there is a difference between cursive and cursive. Cursive script is a font and cursive script is a style.
General official documents need serious and rigorous writing, which is called normal daily writing, poetry writing, letter writing, and more casual cursive writing.