Basically this style is similar to the Seal script except that the symmetrical balance began to break down and the characters tended to become somewhat horizontal and flatter. Developed as an abbreviated form of the Clerical script. In Sosho the natural flow of the hand reaches its maximum. Kaisho - Standard script of the Six dynasties. This script is structurally balanced somewhat differently from Tensho and Reisho.
Most characters have a tendency to form a square.
Gyosho - Semicursive script of the Six dynasties. Developed together with Kaisho as an informal, faster way of writing. As the calligraphic styles evolved over the centuries, calligraphers struggled, of course, to refine their techniques and through trial and error they have brought Shodo to the present high level of achievement. It has become standard practice to study these techniques in order to become a full-fledged calligrapher. There are almost no examples of even geniuses creating outstanding art without reference to the past traditions.