Links to Sites which define Key Terms in Digital Photography
Below are links to great sites which provide excellent information on digital imagery.
Digital Photography Review Definitions of some key terms like pixels, resolution, JPEGs, RAW, TIFFs and also camera basics like Aperture Priority, Shuutter Priority http://www.dpreview.com/learn/?/Glossary/
Photo Composition Articles – an excellent collection dealing with the central principles of photographic composition http://photoinf.com/
The Luminous Landscape – articles, reviews, DVDs http://www.luminous-landscape.com/