Dashboard & Data Product Design — From Charts to a Decision Surface

A single chart answers one question. A dashboard is a product: a persistent surface where someone with a job to do scans, orients, drills, and decides — often while the data underneath is still moving. This skill governs the page above the chart: which metrics earn the top row, how the grid sequences answers, how drill-down preserves context, and how real-time data stays trustworthy instead of twitchy.

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