1) Supply chain management (SCM) involves managing the network of businesses involved in providing products and services to end customers, including movement and storage of raw materials, work in process inventory, and finished goods. 2) An effective supply chain ensures high customer service levels at optimal costs and working capital, while efficiently ensuring products are available for customers. 3) SCM spans the entire demand and supply chain from suppliers to customers and involves integrated business processes around demand and supply planning, ordering, inventory management, warehousing, and delivery.