1. Definition: A seal usually refers to an object, such as an official seal and a private seal. , used to stamp various documents to indicate confirmation, approval or proof. Seal refers to the pattern left by the seal on the paper, which is used to identify or identify the authenticity and validity of the seal.
2. Use: the seal is a physical object, which can be directly affixed to various documents, contracts and other paper materials. On the other hand, seals are presented in the form of graphics. Usually, after a document is stamped, it is identified by the impression left by inkpad or ink.