7 min
Dec 23, 2025·Systems·ESSAY

The Missing Middle of Design Systems

Between atoms and pages, there’s a layer most teams never design.

The Missing Middle of Design Systems

Most design systems collapse under scale, not because they lack components, but because they lack structure.

Teams obsess over atoms and pages. Buttons. Inputs. Layouts. Then entire screens.

What’s missing is the **middle**.

The Gap Nobody Names

The middle layer is where intent lives:

  • Content patterns
  • Interaction rules
  • Compositional constraints
  • It’s not atomic. It’s not a page. It’s reusable *meaning*.

    Why Systems Fail at Scale

    When the middle is missing:

  • Teams reinvent patterns per feature
  • Screens diverge subtly
  • Consistency becomes policing
  • The system becomes a museum, not a tool.

    Designing the Middle

    The middle answers questions like:

  • How does onboarding usually flow?
  • What does “empty state” actually mean here?
  • How do errors reveal themselves?
  • These are not components. They’re **decisions**.

    The Payoff

    When the middle exists:

  • Velocity increases
  • Design reviews shorten
  • New hires ship faster
  • You don’t scale components. You scale patterns.

    The missing middle is where systems become products.