The supply chain, is all the steps and actors involved in the design, production, distribution and delivery of a product or service, from raw materials to to the end customer. The supply chain can include activities such as inventory management, production planning, logistics, transport, packaging and warehousing. The objective of the supply chain is to coordinate and optimize the flow of products and information throughout the process to meet customer demands efficiently and profitably.
Here is a more detailed article (in french) on the subject : La plateforme pour toute votre supply chain : DSales