Inscription refers to the written content except the written content in calligraphy works. Inscriptions include the source of the text, the object of gift, the reason for creation, the time of creation, the author's name, font size, etc. The characters are Oracle Bone Inscriptions, Jinwen, Dazhuan and Zhuanshu, and they are signed in letters and running scripts. If the characters are official script, regular script and Weibei, the signature can be regular script or running script.