Value chain analysis (VCA) is a process where a firm identifies and analyzes activities that add value to its products, aiming to reduce costs or increase differentiation. Primary activities include inbound logistics, operations, outbound logistics, marketing and sales, and service, while support activities encompass procurement, human resource management, technological development, and infrastructure. The document also discusses Starbucks' value chain, highlighting its focus on product quality, ethical sourcing, community involvement, and unique marketing strategies.