Everything in life is a broccoli. Take a broccoli, and snap off a piece. The piece of broccoli is a broccoli in itself. Take that piece, and snap off yet another piece. Again, that piece is a broccoli in itself.
In short, broccoli is self-similar. It is fractal. It is a holacracy.
You will find broccolis all over the place.
A portfolio is comprised of products. A product or a system consists of essential parts. Each part consists of subparts, and so on.
An organization consists of units, divisions, departments, groups, teams, squads, individuals. All broccolis within broccolis.
An initiative consists of programs, programs, in turn, consist of projects, projects have milestones, milestones take a couple of sprints to complete, sprints take one or two weeks.