is known as shodo or
the way of writing
The symbolic system of writing called Kanji was invented by the Chinese in the fourth century and it came to Japan via Korea. There are about 2000 Kanji Charactors for regular usage, but it is said that there are 50000 kanji in Japan.
Kaishotai Kaisho is very strict. Most Japanese children learn Kaisho style in elementary school which is called Kyouiku shodou (Education calligraphy) This form of kanjis used in everyday life.
Gyoushotai Gyousho (Semi-Cursive Script) Gyousho literally means "Going writing". It is a beautifully flowing style of writing just like dancing. The gyousho style can be read by all Japanese.
Sousho Sousho (Cursive Script) is an even more simplified style than gyousho. Sousho literally means Grass writing. Most people without special training can't read Sousho style.