The document discusses physical distribution, which involves planning, implementing, and controlling the flow of materials and goods from origin to customers. The main costs of physical distribution are transportation, inventory, warehousing, order processing, and customer service. Companies aim to get the right goods to customers at the right time and place for the least cost, but maximizing customer service often increases costs. Physical distribution involves order processing, warehousing and inventory levels, and transportation choices that require coordination to balance costs and customer satisfaction.