This document defines community and outlines the key elements that comprise a community. It discusses community as (1) a shared political territory, (2) a network of interpersonal ties based on common interests, and (3) a sharing of spiritual/emotional connections. The key elements that form a community include membership, influence, integration/fulfillment, and shared emotional connections. Community structures examined are social, cultural, political, and economic. Factors like authority, influence, charisma, fertility, mortality, and migration can impact community dynamics and power structures over time. Different community typologies are also defined such as gemeinschaft vs gesellschaft, local vs global, and urban vs rural communities.