The bullet journal helps its user to capture ideas, to keep track of events and to organize what is currently going on and what is planned for the future.
It represents the last frontier in the evolution of the most classic organizer. It is a blank journal that houses a combination of certain elements, such as an index, monthlies, dailies, collections, and a future log. Basically, this is a planner system that allows you to plan for the future, track the past, and keep your rationality in the present.