Search Engine Optimization (SEO) has become an essential weapon in the arsenal of every online business. Unfortunately, for most business owners and marketing managers (and even many webmasters), it's also somewhat of an enigma. This is partly due to the fact that it's such a new and rapidly changing field, and partly due to the fact that SEO practitioners tend to speak in a language all of their own which, without translation, is virtually impenetrable to the layperson. This glossary seeks to .