I now have a Canon EOS 50D. I used to have a Canon EOS 1000D. The upgrade has been great, but nevertheless all Canon settings work fairly similarly. The better versions have more features and are easier to use.
I was focusing manually before I went to the Whitsundays and stayed with a professional photographer. Her first lesson was how to change focal points. This made the most impact on my photography.
Have your camera set on AF on the lens of your camera.
Here are 2 videos – with different ways to change your focal points.
Why do you need to learn this? Because you will want to focus on just one thing and not what the camera chooses for you.
Even though these are different types of Canons the same principles apply
Try this without moving your camera