Literature Reference: 交柯低户阴,闲鸟将雏宿。—— 《小园招隐》 Intertwined branches cast shade by the low door, where idle birds nest with their young. Source from 'Xiao Yuan Zhao Yin'.
交: Handover and intertwine, leaving a favorable impression and excelling in social interactions, fostering good relationships.
柯: The handle of an axe. By extension, it signifies a rule or principle.
Meaning: Intertwined branches symbolize harmony and the blending of nature.