What are the ancient characters carved on the bones of tortoise shells?

Oracle Bone Inscriptions, also known as "Wen Qi", "Oracle Bone Inscriptions" or "tortoise shell and animal bones". Oracle Bone Inscriptions recorded and reflected the political and economic situation of Shang Dynasty, mainly referring to the words carved on tortoise shells or animal bones by the royal family in China in the late Shang Dynasty (14 ~ 1 1 century). Yin Shang? After the demise of the Zhou Dynasty, Oracle Bone Inscriptions also used it for a period of time, which is the earliest known systematic writing form in China. It inherits the original carving symbols and inspires the bronze inscriptions, which is the key form of the development of Chinese characters and is called "the earliest Chinese characters". Modern Chinese characters evolved from Oracle Bone Inscriptions.