This glossary is to help everyone speak the same language: Not literally, of course. For now it's just in English. But hopefully by creating a place anyone can go to learn what their friend is talking about can get us all on the same page and help us more forward together.
Here are a couple of examples of succinct overviews from products with really great docs:
CATEGORIES
Hope this helps, but remember, this is just the tip of the iceberg! Keep learning!