Here is a clear explanation of what you need to know about WordPress to get going.
I’ve recommended WordPress for Dummies, and still do.

The part about blog migration was not really too helpful. Here’s one tip about blog migration. If you are moving a WordPress blog from one server to another, there is a way to move the content in the fewest steps. Go to Codex WordPress for the step by step way to do this.

I just got done moving 100 Fiddle Tunes to a stand alone site. It was easy even for this old fiddler!
If all this is really new, read the blog post from the link at the top. It’s crystal clear.