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--- name: animation-easing-language description: "Define coherent motion timing and rhythm." --- # Animation Easing Language For substantial web work, reuse the [scoped web contract](../website-operating-rules/references/scoped-web-contract.md) when available; it replaces duplicated policy here. Match the requested scope and existing decisions; a missing optional sibling does not block this local procedure. ## Use This Skill Use this skill to define motion timing, easing, duration, delay, and rhythm. ## Required Reference Read [references/animation-easing-language-guide.md](references/animation-easing-language-guide.md) before making architectural or visible UI changes with this skill.