The Council of Supply Chain Management Professionals (CSCMP), the preeminent worldwide professional association of supply chain management professionals, defines logistics as “…that part of supply chain management that plans, implements, and controls the efficient, effective forward and reverse flow and storage of goods, services and related information between the point of origin and the point of consumption in order to meet customers’ requirements.” Another short CSCMP definition is “the management of inventory, at rest or in motion.” The main fields within logistics include: