Literature Reference: 翔泳归仁,中外禔福。—— 《郊庙歌辞 享太庙乐章 崇德舞》 Soaring and swimming return to benevolence, bringing peace and blessings to both the central lands and the outer regions.
中: Center, in the middle. When used in personal names, it also signifies a high status, notable achievements, as well as traits of honesty, integrity, and adherence to norms.
外: Exterior; the outside. It is the opposite of "inside" or "within."
Meaning: The term signifies harmony between the central and the outer regions, symbolizing peace and prosperity throughout the land.