Ask for a brief introduction of brush calligraphy, about 200 words, simple.

Brush calligraphy is a unique traditional art in China. Throughout the ages, Chinese characters in China have been created by working people, and began to be shown in the form of pictures. After thousands of years of development, it has evolved into today's writing. In ancient times, writing with a brush for a long time produced calligraphy. Chinese characters are mainly written with a brush. As for other writing forms, their writing rules are not completely different from those of the brush, but they are basically the same.