[tor-project] Onion sites vs onion services vs hidden services

[Griffin Boyce]

Alison wrote:
> Thanks for clarifying. I didn't realize before now that we were using
> onion services and onion sites distinctly, but it makes sense given the
> use cases. In any case, let's be consistent, and I think we should also
> have a glossary of terms in the support docs.

   Also, `onionsites` is intended to be one word, like website.  It's a 
bit pedantic, but thought worth mentioning in this context.

~Griffin