Avast hardened mode, deepscreen, reputation service question.

I tired searching the forums for the answers. Do these modes work off the file shield or independently?

Is there a Q&A on the forum some where? I’m curious about these 3 modes.

www.avast.com > support > FAQ

Here’s the link to the latest (2014) FAQ http://www.avast.com/faq.php?q=2014#searchForm