The article highlights those aspects of logistics which determine that logistics should be treated as an area of practical knowledge, deeply settled in theoretical foundations of other disciplines and scientific theories. The article contains original author’s concept of understanding the matter of logistics, in close connection with its aims and service, as well as integration functions. Logistics integrates interdisciplinary approach to economic processes – from praxeological aspects of good work and rules of economizing activities, to the implementation of information technologies in virtual economic organizations – favourable for better use of resources and cost reductions. It constitutes the main prerequisite of constructing contemporary economic strategies of total supply chains.