You might try searching for information on the web. There is tons of free info out there. It took me about 2000 hours (yes 2000) to learn what I know now so it is unlikely that it can be explained to you in a forum post.
You can create a free blog at http://www.blogger.com/home A blog is where you make posts and talk about CashCrate and stuff like that. You can submit your blog to search engines like google and yahoo so when people search you will be on the search list. Advertise your blog link(no spamming) in a promotive way and you will get people to visit your blog. Ping your blog at http://pingomatic.com/ frequently. Make sure you post nice quality posts.
If you been hearing people talk about backlinks (etc)..join in on their conversation and ask questions!
But if you been reading about backlinks..basic definitions are
(a) backlinks are links back to your site.
(b) Keywords are the words that people put into search engines to find sites!