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 is journal-creating software designed by Microsoft to be a space where you can jot down ideas, conduct research, and ...

Have you ever felt like your brain is juggling too many tasks, ideas, and to-dos all at once? Between work deadlines, personal projects, and the endless stream of information we encounter daily, it’s ...