Defines the core experience of an app through verbs to ensure design consistency. Use when designing a new product, auditing existing features, or evaluating feature proposals. Triggers on "動詞理論", "verb theory", "core verb", "コアアクション", "体験設計", "experience design", "コア動詞", "核となる動詞".
Apply Tajiri's verb theory (game design) to app and web service design. Define the core user experience through verbs and ensure all features serve that core verb.
references/verb-theory.md for the full frameworkExtract core verb from user needs using the 6-step process (Steps 1-3).
Audit verb consistency across features using the 6-step process (Steps 3-5). Check for anti-patterns: verb proliferation, verb mutation, core contradiction, verb dilution.
Assess if a new feature aligns with the core verb using Step 6. Evaluate reach cost impact.
Derive marketing messages from the core verb using the Marketing Application section. Map: core verb → user fear → positive framing.
| File | Load When |
|---|---|
| references/verb-theory.md | On invoke — full framework, case studies, patterns |