Line vs. bar vs. pie charts: let the comparison decide
Match visual structure to the reading task, compare the same data in different formats, and avoid misleading connections or baselines.
Read the guideCreate several routes to the same information. Pair clear visual choices with meaningful descriptions, readable tables, and predictable controls. These guides help connect chart-type decisions with access needs so that an image remains useful without requiring a specific color perception, screen size, or pointing device.
Begin with the question you want to answer, then inspect the matching example and its source values. These guides use invented data to make definitions and calculations reproducible. Read the visible measure, unit, period, and limitation together; no chart example here is a live market quote or a personal recommendation. The related topic links below offer different routes through the same editorial library.

Match visual structure to the reading task, compare the same data in different formats, and avoid misleading connections or baselines.
Read the guide
Pair visual clarity with useful descriptions, readable tables, keyboard controls, and exports that keep essential information intact.
Read the guide