This lecture focuses on designing an Agile Focus Strategy using the Market Opportunity Navigator tool. It covers the importance of balancing focus and flexibility in choosing market opportunities, emphasizing the need to keep open backup and growth options. Strategies for creating a smart portfolio, such as developing modularized technologies and maintaining brand flexibility, are discussed. The lecture also highlights the significance of closely related backup and growth options to the primary market opportunity. It concludes with guidance on decision-making regarding pursuing backup and growth options parallel to the primary market opportunity, based on their criticality and required effort.