The overt and hidden lines of the article referred to the lines that were clearly shown and the lines that were not clearly shown in the story. Bright lines referred to the storyline that the author directly and clearly stated in the article, such as the protagonist's life experience, background, experiences, goals, etc. These plots are usually clearly stated at the beginning, middle, or end of the article, and the reader can directly learn about them by reading the article. Bright lines were usually the main clues of the article that drove the development of the story. Hidden lines referred to the storyline that the author did not directly express, but implied or expressed in other ways, such as the expressions, words, actions, etc. of the characters. These plots usually appear in some details of the article that do not directly involve the subject, but can be inferred by the reader through the context and other factors. The hidden lines were usually important clues in the article to provide support and hints for the development of the story. The overt and hidden lines were both important parts of the story. They could promote the development of the story, shape the image of the characters, and bring different reading experiences to the readers.