Literature Reference: Do not rely on the water window to gaze north and south, for the bright and dark moon always brings sorrow. Source from 'Zhou Ye Zeng Nei'.
水: Rivers, streams, lakes, and seas collectively. It metaphorically signifies that when conditions are ripe, tasks will be accomplished smoothly.
窗: The device for ventilating and airing a house.
Meaning: The water window symbolizes viewing the world through the lens of water, signifying depth, tranquility, and insight.