This document discusses concepts of community and perspectives on community. It defines community as a social construct composed of interactions between members. Communities can be understood from various perspectives including social science, institutional, civil society, and grassroots levels. These perspectives view the community through lenses of social systems, organizations, citizen groups, and individual senses of belonging. The document also examines community dynamics, actions, shared identity, and the common good. It explores how studying community dynamics can help address problems and devise solutions. Shared identity and concern for the common good can unite communities.