The use of constraints in advocacy requires a different view of them than our day-to-day understanding. The above model is not a complete one for understanding constraints, but it has the advantage of being concrete and simple.
The basic idea is that the strongest constraints are the ones that a target system wishes to protect most carefully. I have put them well inside the “boundary” of the system to imply that. The System Boundary is “Active” because it is always interacting with the weak constraints that stabilize its overall activity.
The weak constraints are on the boundary. Even though they are weak, they are still integrated with the target system to some extent. The target prefers to keep these weak constraints unable to materially affect the target’s activity even though they can’t simply eliminate the weak constraint interaction with the target system. So, the target system “manages” weak constraints to keep them predictable and less able to affect the Strong Constraints.
The simplest way to think of the role of weak constraints in “ordinary reality” is to view their individual constraint activity as a roughly repeating cycle. The target system manages these weak constraints by managing what it believes is the specific weak constraint cycle. The goal of management of weak constraints is to minimize the costs of management by reducing the effects of the weak constraint on the target system.
Being real constraints, the weak constraints are not entirely predictable. As advocates, we can also intentionally change the activity of one or more weak constraints to destabilize the target system in ways the target can’t anticipate. This successful destabilizing requires the target to respond in ways outside its normal routine, creating a leverage point for advocacy. We use this leverage point to coordinate and enable our effort to change the target in the same way we use our knee, for example, to pivot for a shot in a pickup basketball game or use our hands to alter the coordination of knitting needles to produce a particular knot.