Analyses of the flow of trade are based on three traditional trends, each of which focuses on one component of movement: commodity, infrastructures and actors. Based on these three models? limitations and the use of qualitative economic geography and ethnography, this paper enriches our understanding of the flows of cross-border trade, crossing of bodies of literature and theories. It offers a description of commercial traffic in the Central African Copperbelt and calls for a better comprehension of the specific conditions for executing commercial movements, where infrastructures, commodities and actors influence each other to allow the movement of things.