What can be the name of the calligraphy group?

Mo Yun, Pen Dance, Calligraphy and Ink Shadow in the Spring and Autumn Period. According to Baidu Library, there are four names of calligraphy groups, namely: Mo Yun, which means the charm of ink and is the essence of calligraphy art; Dance Spring and Autumn with a pen; Express the long history and unique charm of calligraphy art; Shu Dao: it means the truth and law of calligraphy, and it is the essence of calligraphy art; Ink shadow: it means the shadow of ink, which shows the mysterious and hazy beauty of calligraphy art.