I'm putting together my website (finally!) and there's tons of opportunities to provide more information about some of the things I'm talking about. But rather than reinvent the wheel, I'm going to use all the wonderful content already present out in the world.
If you are new to the concepts of Cataloging and Indexing and need a quick description in layman's terms, Spencer Jardin, Coordinator of Library Instruction at Eli M. Oboler Library at Idaho State University, put together this simple yet informative slideshare:
If you are further into your information professional role and need reminders of professional points, the American Library Association has a wiki entry titled Cataloging and Classification and a fact sheet on Cataloging Tools.