Literature Reference: 长垂一德庆，永庇万方宁。—— 《郊庙歌辞 太清宫乐章 紫极舞》 May the virtue of one reign forever, bringing peace to all under heaven. Source from 'Jiao Miao Ge Ci Tai Qing Gong Yue Zhang Zi Ji Wu'.
长: Strengths, merits.
垂: Drooping, vertical; in names, it often signifies straightforwardness and affability.
Meaning: Everlasting virtue and blessings, symbolizing enduring grace and prosperity.