Why are there black, white and red in calligraphy?

The functions are different.

The art of calligraphy requires subtle and overlapping changes to achieve "the sharpness of the sword is awe-inspiring, and the objects are vivid and surprising." However, the glyphs are not concrete. To make them have awe-inspiring and surprising skills, it is especially necessary Only by paying attention to the brushwork, gestures and meaning of the brushwork can perfection be achieved.

The art of calligraphy has a history of more than 3,000 years. The bronze inscriptions of the Shang and Zhou dynasties are already rich in artistry; Qin seal script, Han official script, Wei stele script, Tang regular script, Song Dynasty script, Ming Dynasty small regular script, etc. are even more colorful. Famous calligraphers such as Wang Xizhi of the Eastern Jin Dynasty created a beautiful new style of Liuben and prepared various styles, which were admired by calligraphers of all dynasties; the four great calligraphers of the Tang Dynasty, Yan Zhenqing and Liu Gongquan, and Huai Su and Zhang Xu's Kuangcao also had unique artistic charm; in the Song Dynasty, there were Su Shi, Huang Tingjian, Mi Fu and Cai Xiang are said to be the four masters of Cai Jing; in the Qing Dynasty, they were divided into the Bei School which advocated stele inscriptions and the Tie School which advocated calligraphy; Zheng Banqiao, one of the "Eight Eccentrics of Yangzhou", integrated Zhen, Cao, Li and Zhuan and created " "Banqiao style"; in modern times, there are Yu Youren, Shen Yinmo, etc.