No need to feel inadequate. We've anticipated basic questions like this. The program is robust, and therefore can be overwhelming at first. That's why you'll find most, if not all of your questions already answered here:
FAQ's/Newbie Q & A, How To's, Supporting Links & Tips
After going over the thread and it's links, I doubt you'll have any questions, but if you've got specific ones just come back to this thread for help.