When writing an essay, you need to pay attention to the following aspects: 1. The definition of overt and undert lines: overt lines refer to the storyline and character relationships that are directly expressed in the article while undert lines refer to the storyline and character relationships that are indirectly expressed in the article. When writing, you need to make clear the difference between the open and dark lines to avoid confusion. 2. The arrangement of the bright and dark lines: When writing, you need to arrange the position and expression of the bright and dark lines according to the story and theme of the article. Generally speaking, the bright lines should be placed at the beginning or end of the article to attract the interest and attention of the readers, while the dark lines should be placed in the middle or end of the article to reveal the inner world of the characters and the development of the story. 3. The conversion of the bright and dark lines: When writing, you need to pay special attention to the conversion of the bright and dark lines. Don't let them be too abrupt or contradictory. During the transition, you need to pay attention to the changes in the characters, the changes in the storyline, and the changes in the reader's perspective to ensure the logic and cohesiveness of the article. 4. Reveal the dark lines: When writing, you need to reveal the dark lines appropriately to promote the development of the story and reveal the inner world of the characters. You need to pay attention to the way and timing of revealing the dark lines to avoid confusing or disappointing the reader. In order to distinguish the lines and dark lines, one needed to pay attention to the cohesiveness of the story and the shaping of the characters. At the same time, one needed to pay attention to the conversion and revelation of the bright and dark lines.