What was the headline of the message? Please give an example of a commonly used line.

The title of the message usually included the following parts: 1. Message topic: A general description of the content and topic of the message. Subtitle: A title separated by a dash or slash below the message topic to further explain or summarize the message topic. 3. Description: A brief summary of the content of the message usually includes information such as the time and location of the message. 4. Introduction: Text that leads to the content of a message is usually used to attract the reader's attention and provide background information. The main body of the message details the content and plot of the message. For example, the headline of a novel might include the following: [1. Message subject: The storyline of the novel The Lost Treasure.] Subtitle 2: It tells the story of a lost treasure hunt. 3. Description: The novel uses the protagonist's search for the treasure as the main line to describe the interactions and conflicts between the protagonist and various characters. 4. Introduction: The introduction of the novel's theme and storyline makes the reader interested in the background and theme of the story. 5. Description of the plot and characters of the novel in detail, including the adventures of the protagonist, the discovery of the treasure, and the ending. The title of the message should be concise, clear, and general enough to attract the attention of the readers and provide enough information.