Understanding exposure is very important.
Many people do no realize that shutter speed, aperture setting and ISO are interrelated.
i.e. if you go to a faster shutter speed, you need more light and therefore must adjust the aperture to provide more light.
Here is a tutorial that explains how they interact:
Here is a free short course in digital photograpy, that covers the important areas:
I'm REALLY new to the photography world. I'd like to learn more about ISO, aperature, shutter speeds, exposure, etc.
Can you recommend any websites where I can start to learn the basics?