Literature Reference: 虚窗通晓景，珍簟卷秋光。—— 《和李舍人秋日卧疾言怀》 Through the empty window, the morning scenery flows; the precious mat rolls up the autumn light. Source from 'He Li Sheren Qiuri Woji Yanhuai'.
虚: Illusion. Idleness. Vanity.
窗: The device for ventilating and airing a house.
Meaning: The empty window symbolizes clarity and openness, representing inner peace and wisdom.