1, title outline: This title is similar to the summary of a section. It is equivalent to writing the main content of this natural paragraph. This is a headline-style composition outline, and the writing points of each paragraph are marked with concise words. Its characteristics are concise and fast, and it is suitable for situations that are familiar with the writing content or time is tight.

2. Point the outline: This kind of outline is more detailed, that is, to show the central point of the composition and write out the general content of the composition. At the same time, it is necessary to explain the details of the article.