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Module 5 of 10 · 5 lessons

Decide what it does

Decide what an interface should do before you decide how it looks.

Essential question

What should the interface do before anyone styles it?

Prerequisites

Train your eye, Make words earn their place, Make space and colour feel chosen

By the end, you can

  • Choose controls from the shape, scope, and consequence of a decision
  • Design every reachable state before polishing the happy path
  • Write an evidence-backed brief for the smallest useful intervention

0 of 5 lessons complete

1

Match the control to the choice

Pick a control from the shape of the choice, not from habit

2

Scope an action before it runs

Name an action's object, scope, consequence, and required friction before it runs

3

Design every reachable state

Design every state a screen can land in, not just the happy path

4

Make the smallest intervention

Try a better default, a behaviour change, or reuse before adding new UI

5

Write a decision brief

Run every product decision through one repeatable layer: brief, evidence, checklist