According to Wikipedia, a glossary is defined as the following. http://en.wikipedia.org/wiki/Glossary
"A glossary is an alphabetical list of terms in a particular domain of knowledge with the definitions for those terms. Traditionally, a glossary appears at the end of a book and includes terms within that book that are either newly introduced, uncommon, or specialized."
The following list of website and Google Sites terms are worth knowing to clearly communicate with others and understand what you are reading. Terms will be added over time. In the meantime, use the dictionary at Tech Terms.