Read the Drupal README if you want to know what it is. Otherwise I’ll assume you understand the concepts of a FLOSS modular CMS/web-application generator in a LAMP environment.

Aspects of drupal of relevance to the IP Community Commission

• Aggregator: syndicating content
• Archive: view content by date
• Blog: a blog for every user
• Comment: allow comments on content
• Taxonomy: categories and classification schemes

Freemind | drupal.org module exports taxonomy as freemind format.