what is a auto approve "blog" or "url" links?

what is a "non-auto approve "domains" or "blog" links?

what is a "dofollow" and a "nofollow" links?

what is a "url/index.php" links" and for what I can use it for?

what is a "url/submit.php links" and for what I can use it for?

what is a "url/register.php links" and for what I can use it for?

what is a "url/signup.php links" and for what I can use it for?

what is a "url/guestbook.php links" and for what I can use it for?

what is a "url/profile.php links" and for what I can use it for?

what is a "url/member.php links" and for what I can use it for?

what is a "url/index.php/member/number/ links and for what I can use it for?

what is a "url/Forum/memberlist.php links and for what I can use it for?

what are Auto Approve DoFollow Backlinks and for what I can use it for?

what are social bookmarking sites?

what are ref spam pages?

what are profile links for?


my main objective is just to learn the ropes.
thank you.

---------- Post added at 11:35 AM ---------- Previous post was at 11:31 AM ----------

i have all the programs i need,i just don't know what to do with the links,so many different links,its kinda confusing.