Loris if you go to 'search' at the top of the page, you can type in whatever you are wanting to know, I reckon you will get more from that than what I could tell you in a couple of lines.
I'm hopeless at explaining things like this, I'm self taught.
But here is a site for you to also have a look at which might help you.
http://www.daystyledesigns.com/articles.htm
Don't forget to upload a pic of your quilt!
:D