Basically, he says that everyone needs a place to dump all their mental to-do lists, plans, cogitations, wishes and dreams, out of their head and into the written word. That will free up a lot of time and mental energy for creativity.
I had to hack through quantities of rather boring info meant for the business world, but what remained was very helpful to me in my home world. I’m still working on emptying all my ideas, plans and thoughts into list form; more keep coming back to me as I work. But when I am finished I expect to have a binder full of my future. And I won’t be worrying that anything is falling through the cracks!