Like almost any other service or function, membership sites have their own vocabulary. As a member of a "membership website" you will want to be able to understand and use them easily. Our good friends over at RocketHub have prepare an excellent glossary of useful membership site terms for your use.
Membership Site Terms & Other Glossary Links
Here is the link to it: Membership Site Glossary of Useful Terms
Other glossary links:
- Internet Marketing Glossary
- Glossary of Key Purchasing Terms, Acronyms, and Formulas
- Wikipedia Blogging Glossary