Extension: refers to the table where books are placed, and later refers to the person who writes on the table. Now it refers to the writing position in a company or enterprise, that is, to express the established creative strategy in words.

There are many kinds of existing copywriting. According to 4A standards, there are generally four types: assistant copywriting (ACW), copywriting (CW), senior copywriting (SCW) and senior copywriting (SCW). Copywriting consists of title, subtitle, advertising text and advertising slogan. It is a literal expression of advertising content. In advertising design, copywriting is as important as graphics, graphics have early influence, and advertising copywriting has a deep influence.