The assignment content discusses the history and growth of Wal-Mart, a renowned retailer founded by Sam Walton. The company's phenomenal success is attributed to its efficient supply chain management practices, centralization of distribution system, and focus on customer needs. The article also highlights the importance of procurement in Wal-Mart's history, emphasizing the need for reducing purchasing costs and offering the best prices to customers. Additionally, it discusses Wal-Mart's investment in communication systems and IT to effectively track merchandise inventories and sales across stores. Finally, the content mentions DHL Express, a division of Deutsche Post DHL providing international express mail services, and its EDI system that simplifies shipment management.