Part 1: For Players
One of the biggest tips we recommend over and over again is that you need to make your notebook work for YOU. Whether you're the type of gamer who enjoys taking simple, bullet point notes or who enjoys journalling from the perspective of your character, you need a way to lay those scribbles out in a way that will make sense to you in the future. This comes in especially handy when you're trying to do things such as remember what NPCs you met three sessions ago or when it was that you encountered that group of gnolls just outside of town.
One way of doing this, is to create a layout (or a spread, in bujo terms) for each session you participate in. Here are some tips on creating your own layout, which can easily be adjusted to suit whatever you might need to capture.