What are the characteristics of labor?

(1) Labor refers to the process of material, energy and information transformation between man and nature, and it is a positive transformation of nature by human beings.

(2) Labor is a unique activity of human beings, and its essential characteristics are as follows: First, labor is a conscious activity to transform nature with a clear purpose. Second, labor must create and use certain material means, mainly labor tools. Third, the object of labor is extensive, which is to transform the whole world with people as the main body and create the humanization of the world. Fourth, the yardstick for measuring human labor is multidimensional, including truth yardstick, value yardstick and aesthetic yardstick, that is, the unity of truth, goodness and beauty.