As you may have seen, there are a lot of articles here on the exposure process. I start with an article on the exposure process generally, and then get into the specifics of shutter speed, aperture, and ISO. There is even an article with some specific scenarios to walk through using these exposure controls.
In addition to those articles, however, I wanted something that showed you exactly how to do it. Here is a video on the exposure process:
I think it will help tie the process together for you. Hope you like it and find it useful!