What is an inscription? How to write an inscription in a composition? What kind of sentence is the inscription?

The inscription is written at the beginning of the article. The general language is concise and rich in connotation, which plays a role in summarizing the full text. However, because the inscription is written at the front, it arouses readers' greater interest in reading, that is, people have the impulse to read. All these sentences can be called inscriptions. Generally speaking, there are many poems and famous sayings. Because this kind of thing can bring people more philosophy and more thinking.