Literature Reference: 昌，美言也；瀚，浩瀚也。—— 《说文解字》 Chang means beautiful words; Han means vastness. Source from 'Shuowen Jiezi'.
昌: Prosperous; thriving. When used in personal names, it often conveys the meaning of flourishing and prosperity, greatly aiding one's career and fortune.
瀚: Vast and expansive, it often signifies erudition, profound knowledge, and a broad-minded spirit in names. It aids in learning and fostering friendships.
Meaning: Chang Han signifies eloquent words and a broad, ambitious mind.