Well, this is more of a cHAoS part within TDT than actually an FAQ. You will have to wade through tons of text here, without much guidance. I don't know if the new search engine inclusion really makes it any better.
First the "evergreen" questions:
Throwing distance / dartboard setup
Why are the numbers on a dartboard in the order they are? This is answered on darts historian (yes, such a person really exists!) Patrick Chaplin's fine website www.patrickchaplin.com
... and now questions by section: