What does Chu calligraphy mean?

Chu was the overlord of the south during the Spring and Autumn Period and the Warring States Period. Culturally, Chu's influence spread to Xu, Hu, Fan, Huang, Qiong, Zeng, Huai, Si, Song, Cai, Shu, Xu, Wu and Yue. Together with Chu State, they created a mysterious and splendid culture. As an important part of this culture, calligraphy also has unique artistic charm.