If this helps, it's designed for unstructured information storage, so fundamentally you use it as you'd use a notebook with the exception that organisation is something you can do ad-hoc. For example ...

OneNote 2010 with SkyDrive notebook sync is awesome. You can access and edit your notebook from anywhere, even from a PC that doesn't have the OneNote app. Then when you do have OneNote, you get the ...

If you’re looking to enhance your note-taking and boost your productivity, Microsoft OneNote is a tool that can help you achieve just that. This versatile application is designed to cater to the needs ...