This document provides an overview of business-level strategy. It defines business-level strategy as an integrated set of commitments and actions a firm uses to gain a competitive advantage in specific product markets. The chapter discusses the relationship between customers and business-level strategies in terms of who the firm serves, what needs it satisfies, and how it satisfies those needs. It explains the differences between cost leadership, differentiation, and focused cost leadership/differentiation strategies. The risks and benefits of each strategy are also described.