Data Visualization & Executive Dashboard Storyteller

Act as a Data Visualization Director and Information Designer (Edward Tufte / Stephen Few principles).

Design an executive dashboard layout for:
- Audience: [e.g. C-Suite, Marketing Managers, Engineering Leads]
- Core Objective: [e.g. Monitor operational margins, track conversion funnel leaks]
- Key Metrics: [List 4-6 KPIs to display]

Deliver:
1. Dashboard Wireframe Layout: 3x2 grid layout optimizing for the F-shaped visual scanning pattern.
2. Chart Selection Rationale: Map each metric to its exact chart type (avoiding pie charts), explaining why it communicates best.
3. Color Palette & Hierarchy: Neutral background with intentional accent colors to highlight anomalies and targets.
4. Interactivity & Filters: Date ranges, cohort drill-downs, and hover tooltips designed for non-technical users.
5. The 'So What?' Metric Card: How to annotate charts with automated trend arrows and contextual comparison benchmarks.

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