Literature Reference: 万方庆嘉节，宴喜皇泽均。——《奉和圣制中和节赐百官宴集因示后怀》 All realms celebrate the auspicious festival, feasting in the emperor's grace. Source from 'Feng He Sheng Zhi Zhong He Jie Ci Bai Guan Yan Ji Yin Shi Hou Huai'.
嘉: Praise, auspiciousness, celebration, and happiness.
节: Joints, paragraphs, etiquette. Cultivated, gentle demeanor, courteous.
Meaning: The auspicious festival symbolizes joy, auspiciousness, and universal celebration.