to grasp the underlying meaning or essence and discard the literal words or forms; (of a scholar or sage) to focus on the truth rather than the vehicle of expression; based on [[庄子|莊子|zhuang1 zi3]]

A metaphor for the tools or means used to achieve a specific goal; often refers to using language as a vehicle to convey truth.

painter during the Five Dynasties and Ten Kingdoms period known for his meticulous style of flower-and-bird painting