A design system creates leverage only when it is easier to use than to bypass. That takes more than a component library: it needs a clear product model and operating rhythm.
Solve recurring decisions
Prioritize patterns that repeatedly consume design and engineering attention. A small set of complete, well-documented flows often produces more leverage than a large catalog of isolated controls.
Make contribution ordinary
Define how teams propose, review, test, and release changes. Lightweight contribution rules turn the system into shared infrastructure instead of a central team's backlog.
Track adoption as an outcome
Measure coverage, usage, accessibility conformance, and the time teams spend recreating patterns. These signals reveal where the system is helping and where it is creating friction.