Briefly describe the basic framework of e-commerce and the relationship between each part.

From an economic point of view, the basic framework of e-commerce is as follows:

Relationship between parts:

The upper level is the target of e-commerce. The whole e-commerce activity is a process of smooth realization of information flow, capital flow, logistics and business flow, in which business flow is the core of e-commerce activity and the smooth realization of the other three flows is the guarantee of business flow.

The lower level includes safety, standardization construction and government policies and regulations, which is the basis and supporting conditions for the smooth realization of the upper level activities.