This is a very important video to see. The basics of how to use an iPad are shown here.
Source: Youtube
Pages is a very important app on the iPad. The only issue is that you must buy this app. Pages is a very useful appbecause it is actually Word on the iPad. Files can be saved and folders to have a format.
Keynote is another important app, it is also bought. Though this is another name for the PowerPoint program.