Large Social Groups

Formal structure of an organization or group includes a fixed set of rules for intra-organization procedures and structures.

The informal organization is the aggregate of behaviors, interactions, norms, and personal/professional connections.

"Gemeinschaft" (community) and "Gesellschaft" (society) are concepts referring to two different forms of social organization.

Mechanical and organic solidarity are concepts referring to different modes of establishing and maintaining social order and cohesion.