Folk heritage can be defined from various angles: philosophically, from a knowledge point of view, semantically, from a procedural, mathematical or even administrative angle.

• 民间遗产可以从不同的角度来作出定义:从哲学的角度、从知识的角度、从语义的角度、从程序的角度、从数学的角度、甚至从行政的角度。