Do you mean how to change the location of an App on your page? Then:
Hold your finger down on any app until they all get little X's in the corner and start to jiggle. Then you can slide them around to any spot. When you're satisfied, Click the round Home button (the one at the bottom of your Touch with the square in it).
You cannot. Sorry
no there is not
Buy them from the app store directly on the itouch.
Yes you can i actually have it on my own itouch
Using the App store, if you don't have an account you can set that up with iTunes.
There is a videos app already installed onto your itouch. If you filmed a video, then you can see it in the photos app(flower).
download an app for it
Yes. You can download the AIM app on the App Store.
No, there is no such thing as a garageband app on the iPod Touch.
You download the app and then sync the itouch or iphone to your computer. Warning: You can not download apps on anything but an itouch or iphone.
its included with the ipod
Yes. The Mail app.