Lean, terse one-line glossary entries with no padded explanations of general concepts; instructions are tight ("Keep it tight. A naming question wants a name, not an essay."). The length is the curated vocabulary payload itself, which earns its place.

Provides a concrete copy-paste output format ("**Stagger** — Animate several items..."), explicit disambiguation rules, and three worked input/output examples — fully actionable guidance.

A simple single-purpose skill with a clear numbered sequence (read for intent → quote verbatim → disambiguate → handle no-match → stay in glossary → keep tight); no risky batch/destructive steps require validation checkpoints.

Self-contained SKILL.md with well-organized sections (Quick Start, Instructions, Examples, Glossary sub-categorized by theme); no external references are needed and navigation is easy, matching the well-organized-sections allowance.

Names the concrete action ("Reverse-lookup glossary that turns a vague description ... into its exact term") with worked examples ("the bouncy thing when a popover opens" → Pop in), matching the multiple-specific-actions anchor.

Explicitly answers both what (reverse-lookup glossary mapping vague descriptions to exact terms) and when ("Use when the user asks 'what's it called when…'"), with an explicit trigger clause.

Captures natural user phrasing — "what's it called when…" and "describes a motion effect without knowing its name" — giving good coverage of terms a user would actually say.

Carves a clear niche ("For naming an effect, not designing or building one") with distinct triggers unlikely to fire for adjacent design/build skills.