The document categorizes communities into three types: urban, suburban, and rural. It provides details about the population density, common buildings and structures, and livelihoods that characterize each type of community. Urban communities have the highest population density and are located around economic centers. Suburban communities are located outside urban areas and have lower density than urban areas. Rural communities have the lowest population density and are located in countryside areas, with livelihoods focused on farming and livestock. The document also discusses the formal and informal economic sectors, noting that the formal sector complies with government regulations while the informal sector lacks licenses and oversight.