Group 1 - The article emphasizes the importance of "keywords" in writing and speaking, suggesting that without them, the essence and clarity of the message can be lost [1][2] - It references Liu Xie's "Wenxin Diaolong," which systematically constructs literary theory through 50 key terms, highlighting the significance of structure and logic in theoretical discourse [2] - The article argues that while the content ("what to say") is important, the manner of expression ("how to say") is equally crucial for engaging the audience [2]