This document provides an overview of managing communities with Drupal Commons. It discusses the role of community managers and the challenges they face in growing and engaging members across multiple disconnected systems. Drupal Commons aims to lower these barriers by integrating common community functions like groups, events, messaging and content into a single platform, making it easier for managers to tell stories, listen to members, analyze participation, and communicate within their organizations. The document demonstrates various group types and settings in Drupal Commons and how privacy controls allow customization for different community needs.