Literature Reference: 五言一徧最殷勤，调少情多似有因。—— 《听歌六绝句 水调》 A single five-character verse is most earnest, with few notes but deep emotion, as if there is a reason. Source from 'Listening to Songs: Six Quatrains - Shuidiao'.
水: Rivers, streams, lakes, and seas collectively. It metaphorically signifies that when conditions are ripe, tasks will be accomplished smoothly.
调:
Arrange and handle matters, investigate and comprehend the situation.
Meaning: Shuidiao signifies a soft melody with deep emotions, flowing endlessly like water.