This lecture explores the concept of habitat and differentiation of lifestyles, focusing on the relationship between environments and behaviors, as well as the theories of situated action. It delves into the perception-action intertwining, the concept of affordance, and the characteristics of various residential lifestyles. The lecture also discusses how people seek outlets for living well in their environments, considering factors like social relations, functional comfort, and physical experiences of space. Additionally, it analyzes the qualities of life, urban policies, and the impact of different urban environments on lifestyle choices.