Literature Reference: 叡，深明也，通也。——《说文解字》 Rui, meaning profound clarity and thorough understanding, originates from 'Shuowen Jiezi'.
叡: Profound, enlightened, and wise. A man of wisdom and versatile talents, a character held in high esteem.
Meaning: The character Rui signifies profound wisdom and insightful understanding, symbolizing extraordinary intelligence and exceptional talent.