Literature Reference: The clear stream flows past the green mountain, the sky and water merge into one pure autumn hue. Source from Zhu Xi's 'Reflections on Reading'.
清: Pure and clear. When used in personal names, it often symbolizes gentleness, virtue, and talent, representing innate intelligence and a noble, auspicious character.
函: The term refers to a letter and its envelope.
Meaning: Pure letters symbolize clarity and wisdom.