The 2001 Census Dictionary provides detailed information on all of the concepts, universes, variables and geographic terms of the 2001 Census. The information provided for each variable includes a definition, the associated census question (s), the application response categories or classifications and special notes, for instance, on historical aspects. New this year in the Internet version is the inclusion of supplemental plain language definitions for certain variables, without census or Statistics Canada jargon, to help users better understand the meaning of the definitions. The Internet version of the 2001 Census Dictionary will be updated periodically. This series includes six general reference products: Preview of products and services, Census dictionary, Catalogue, Standard products stubsets, Census handbook and Technical reports.