Literature Reference: 桐珪早贵,象辂追设。—— 《享文恭太子庙乐章》 The precious jade is honored early, and the elephant chariot is set in motion. Source from 'Xiang Wen Gong Tai Zi Miao Yue Zhang'.
象: The elephant symbolizes emulation and also represents the external form or appearance of things.
辂: An ancient grand carriage.
Meaning: The elephant chariot symbolizes nobility and glory.