Oracle Bone Inscriptions:
It mainly refers to the characters carved on tortoise shells or animal bones by the royal family in the late Shang Dynasty in China, and it is the earliest known systematic Shang writing carrier in China and East Asia. Oracle Bone Inscriptions has a symmetrical and stable pattern. Calligraphy has three elements, namely, using a pen, finishing words and composing music. Judging from the number and structure of fonts, Oracle Bone Inscriptions has developed into a more rigorous and systematic writing. The "six-character" principle of Chinese characters is reflected in Oracle Bone Inscriptions. However, the traces of the original pictures and words are still obvious, and the meaning of pictographs is also obvious.