Term Kind Topic What it is
Observable Component Contract Rendered Surface Contract, Implicit Component API concept Component Contracts The full set of things a consumer can depend on in a shared component - DOM structure, class names, computed spacing, specificity and render timing - as distinct from its declared props, which is the only part…
Prop Interface Stability concept Component Contracts The commitment a component makes about its props, slots, events and emitted structure — including the parts consumers depend on that were never intended as interface.