Drill: Numeric display: a dashboard with 6 metrics. Mono numerals, tabular-nums, right-aligned, consistent decimal places. Target: numbers scannable like a spreadsheet.

Interpretation: Municipal water-treatment daily-ops dashboard (Northfield WTP Plant 2) — chosen to stress a band-constrained metric (chlorine residual 0.20-4.00 mg/L) the numeric series had not covered. Per-unit decimal contract, describe-first dataset where headline KPI = sum of running pumps, energy intensity derived at render; Resend/Vercel bare-typography stats aesthetic on warm light canvas with a single indigo accent.