This document provides information on how to contribute to Drupal, including developing modules, writing documentation, reporting issues, translating, using CVS (now Git), and communicating with other Drupal contributors. It outlines key areas for contribution like planning, collaboration, and maintaining, and resources for modules, documentation, issues, security, translation, CVS usage, communication methods, and events. Contributing involves learning about Drupal, then contributing through activities such as coding, documenting, testing, translating, and communicating with others.