Literature Reference: 踏曲兴无穷，调同词不同。—— 《纥那曲二首 二》 The melody is endless, the tune is the same but the words differ. Source from 'Ge Na Qu Er Shou II'.
调:
Arrange and handle matters, investigate and comprehend the situation.
同: Identical; the same.
Meaning: The same tune carries different lyrics, symbolizing harmony with diversity and unity with individuality.