Group 1 - The core issue highlighted is the lack of a unified standard for floor signage in public spaces, leading to confusion among users [3][4] - Common abbreviations like "L" and "M" can have multiple interpretations, complicating navigation in places like hotels and shopping centers [3] - The design of public signage should prioritize clarity and usability over aesthetic appeal, emphasizing the need for a user-centered approach [4] Group 2 - Public facilities and their signage reflect the level of urban management and governance, indicating a need for continuous improvement based on practical experiences [4] - There is a call for the use of standardized Chinese characters in public signage to enhance understanding and accessibility for all users [4] - The overall message advocates for practical and service-oriented design in public spaces, balancing visual appeal with functionality [4]