The oracle bone inscriptions originated in the Shang dynasty more than 3,000 years ago. They are the earliest characters with a relatively complete system among the ancient characters discovered in China. Because it is carved on tortoise shells or animal bones, it is called Oracle.
Comparison table between Oracle and modern simplified characters
Chinese Character Shuoyuan
According to the literary knowledge on the Chinese textbooks, the font changes of Chinese characters are: oracle bone inscriptions-bronze inscriptions (inscriptions, Zhong Dingwen)-seal script (large and small seals)-official script-cursive script-regular script-running script.