Create data visualizations that clarify rather than decorate. The goal is not to make data look impressive; it is to help users understand patterns, compare values, and make decisions. Consult the data visualization reference for chart type selection, responsive patterns, accessible data tables, color-vision-friendly palettes, and interaction design. Consult the colorblindness UX reference when semantic states, chart palettes, or category colors must remain distinguishable under color-vision deficiencies. Consult the complex table UX reference when a data table is a better or complementary pr…