Practicing calligraphy, as the name implies, is to change people's existing calligraphy habits slightly, so that the original "horizontal and vertical" fonts are coherent, which not only accelerates the writing speed, but also forms a unique style of personal writing, which is highly valued by people.
Extended data:
One of China's surnames mainly comes from Ji's surname, partly from Zi's surname, Gui's surname and the change of minority's surname.
The king is composed of three horizontal lines and one vertical line, with three horizontal lines representing heaven, earth and people, and one vertical line connecting heaven, earth and people. This is the only philosophy that heaven, earth and people should be under the control of the "king". In ancient times, the supreme ruler of Xia, Shang and Zhou was called "Wang". As a surname, "Wang" comes from the supreme position of "Wang"; Ji Jin in the Eastern Zhou Dynasty was the ancestor of Wang Xing.
References:
Baidu Encyclopedia _ Wang
Baidu Encyclopedia _ Lianlianzi