2. Points will be combined with pictophonetic characters. Traditional Chinese characters and seal script Braille are composed of black characters and Zhan characters. Black is the signifier, and Zhan indicates that there are words on the tortoise shell bone for this purpose. The whole word means that something as big as a word is black, which means black spots. Braille is the point of developing official script and regular script on the basis of the small seal script. Now, according to the popular characters in Song and Yuan Dynasties, traditional Chinese characters are simplified into simplified Chinese characters.