Briefle words · Data & charts
Chart subtitle
A smaller line under the title that carries the metric definition, unit and period so the headline can stay short.
Say it to an AI
Bar chart of monthly churn, April to September 2026. Give it a takeaway title that states the finding, 'Churn halved after the July price change', and move the metric, unit and period into a chart subtitle. Zero-based axis with three tick labels; no legend needed for one series.
How an expert would brief the stronger version of “Churn chart title”.
See it
Try it as a puzzle →Retention card on the admin dashboard of a subscription invoicing tool.
Why: Both cards keep 'Monthly churn, % of paying accounts · Apr–Sep 2026' under the headline, so B's message line loses no detail.
Related words
Room 1 · Essentials
Learn “Chart subtitle” in a five-minute lesson