>>1063095 (OP)
>what things mean, what they do
Just try to do a thing, and find out how to do that thing. Use duckduckgo or startpage. Laugh at the faggot that argues about which is better.
>what to look for or prioritize when building a computer
http://www.logicalincrements.com/
Shop around. Nearly everything except SSDs can be bought second hand. Leave space for upgrades. Don't cheap out on thermal paste, but don't overspend on your first system.
>be able to talk to other computer people.
Lurk