Core Viewpoint - The lecture by Wen Junyuan on "Shuo Wen Jie Zi" highlights the significance of Chinese characters in understanding ancient culture and the development of Chinese civilization, emphasizing the foundational role of "Shuo Wen Jie Zi" in the study of Chinese language and characters [5][6]. Group 1: Importance of Chinese Characters - Chinese characters are a crucial tool for communication, cultural transmission, and national unity, serving as a medium for intellectual development [6]. - "Shuo Wen Jie Zi" is recognized as a foundational work for understanding the meanings and origins of Chinese characters, providing a reference for reading ancient texts [6][7]. Group 2: Contributions of "Shuo Wen Jie Zi" - The work explains 9,353 seal characters and 1,163 repeated characters, surpassing the number of characters used in classical texts like "Shijing" and "Liji" [7]. - Understanding "Shuo Wen Jie Zi" is essential for interpreting classical literature, as many misunderstandings stem from misinterpretations of characters [7]. Group 3: Classification and Theoretical Framework - "Shuo Wen Jie Zi" established a scientific system for the study of Chinese characters, introducing the "Six Writings" theory, which categorizes characters based on their construction methods [8]. - The book also pioneered the radical classification system, setting up 540 radicals that serve as both structural and semantic classification tools [8].