A one-page reference for making a chart say something, every line explained: highlighting, annotations, distribution plots, palettes, confidence intervals and multi-panel layouts.
A chart that shows the data and a chart that makes a point are different objects, and the gap between them is a handful of techniques: fade the context and colour one series, put an arrow on the thing you want seen, pick a palette that matches the shape of the data, and be explicit about what an error band means. This cheatsheet gathers those moves on one page with a plain explanation of every line, so the polishing pass stops being guesswork. Keep it open while you plot, or save the image and pin it nearby.
Hope this helps.
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