This document discusses the importance of studying communities and community engagement. It begins by defining key terms like community, community action, community dynamics, and empowerment. It then discusses the need to study communities in order to understand how they function and how social interactions within communities can empower citizens and drive positive change. The document emphasizes that community dynamics, or the changes within communities, are shaped by social, cultural, and environmental factors and can impact people's lives. It provides examples of community activities and encourages learning how communities have changed over time.