Literature Reference: 纪者，理也；谨者，慎也。—— 《说文解字》 'Ji' means order; 'Jin' means caution. Source from 'Shuowen Jiezi'.
纪: The original meaning refers to the end or thread of scattered silk, which metaphorically extends to signify age, years of life, principles, and systems.
谨: Prudence, meticulousness. Caution, carefulness.
Meaning: Orderly and cautious, symbolizing meticulousness and responsibility.