Requirements of root book technology

The first feature is that the roots of a tree make a word. You can't put the roots of several trees together to make a word.

The second feature, root calligraphy, cannot be the art of regular script (regular script), but only cursive script.

The third feature is the combination of roots and calligraphy. It is both a root art and calligraphy, with a long and natural part and an artificial part.

The fourth feature is that the main characters are as well-founded as signatures, which cannot be replaced by human writing.

The fifth characteristic is the unity of root and color. "