DMOZ Documentation Project - Provides an overview of ODP editing practices, with a glossary of common terms.
ODP Resource Zone - A public forum, sponsored and maintained by directory volunteers. Includes advice on how to become an editor, help with suggesting a site, facilities for reporting spam, hijacks and dead links, FAQs and sections in languages other than English.
Open Directory Editorial Guidelines - Covers selection criteria, description styles, category features, issues such as spamming and various editing permissions.