As for the definition of the word "calligraphy", it has been very clear. Calligrapher's title refers to a high-level person who has reached the ancient calligraphy statutes on the road of calligraphy. Because of their statutes, they have reached an extraordinary level and formed a mature, stable and almost unchangeable personal style. Such people can be called "calligraphers" or "calligraphers". Such as Qi Gong, Shu Tong, Ouyang and Liu Bingsen.