Reference Public contracts for geoms, guides, labs, axes, labels, interactions, CLI, diagnostics, lifecycle, and schema. Geoms Every Geom* component: defaults, stats, positions, and params from the schema. Stats Every statistical transform: after_stat columns and compatible geoms. Positions Every position adjustment: stack, dodge, jitter params, and compatible geoms. Scales Every Scale* component: position, color/fill, and style channels with params and guides. Guides and legends GuideLegend, GuideColorbar, GuideColorsteps, GuideAxis, and GuideNone: channels, props, and helpers. Labs Title, subtitle, caption, and per-aesthetic axis/legend titles. Axes and ticks GuideAxis, scale breaks/labels, band layout, collision, and theme grids. Labels Plot chrome vs tick labels vs GeomText / GeomLabel / SF label geoms. Interaction reference Capabilities, events, diagnostics, accessibility defaults. Themes Theme* components, role tokens, CSS variables, and interaction chrome. Palettes Named schemes as scale inputs: categorical and sequential catalogs. CLI reference Flags, streams, diagnostics, exit classes. Errors reference Validation, pipeline, interaction, and CLI diagnostics. Advisories Valid-but-questionable specs and disclosed heuristics. Lifecycle and editions Stability tags and defaults-edition behavior. @ggsvelte/svelte/data Bundled datasets. kyotoSakura (time series), palmerPenguins (distribution / groups), mpg (categorical comparison). Also served as JSON. PortableSpec JSON Schema Machine-readable constrained specification.