Also known as Cursive Calligraphy. The Chinese character "Grass" (草) also refers to loose and sketchy styles. It's faster to write compare to other Chinese Calligraphy styles, but also hard to read. It is an abstract form of calligraphy styles, which means you can take on any other Chinese Calligraphy styles (such as Block script 楷書, Seal script 篆書) and apply this form to it, which would be turned into Cursive Block Script (草楷), Cursive Seal Script (草篆), etc. East Asian calligraphy typically uses ink brushes to write Chinese characters (called Hanzi in Chinese, Kanji in Japanese, and Hanja in Korean). ...
The Yi script is quite old and is superficially similar to Chinese, but does not seem to be derived from it.
Scripts that are still used regularly for print are the "Clerk Script" or 隸書[隶书] lìshū, the "Wei Monumental" or 魏碑 wèibēi, the "Regular Script" or 楷書[楷书] kǎishū, the "Song Style" or 宋體[宋体] sòngtǐ (mainly used in printing and computer fonts), and the "Running Script" or 行書[行书] xíngshū.
Although now nearly extinct in Vietnamese, varying scripts of Chinese characters were used to write the language, with use of Chinese characters becoming limited to ceremonial uses beginning in the 19th century.