As you can see, items are also colour coded for the person it relates to and the type of activity it is, as well as for how long it will take to complete. So, if I know I have a spare 15 minutes I can quickly see what can be achieved in that time frame.
Getting started with bullet journaling. A bullet journal is a paper-based system for recording thoughts, keeping track of tasks, and organizing your life in a way that's systematic, clean, and FAST. This gorgeous website is definitely worth checking out.