Boundary: a static page with a contact form (or "occasional email trigger") exhibits NONE of the four working-surface capabilities

Claim: A page that renders fixed text and occasionally triggers a contact email exhibits none of the four working-surface capabilities. A "working surface" exhibits at least one of Capability 1 — structured, queryable data: content stored as records with fields, types and relationships so it can be filtered, sorted, searched, and assembled on demand, Capability 2 — interactive functionality: the visitor supplies input and the site returns a computed or looked-up result (calculator, quote, search, booking, configurator), Capability 3 — live or frequently-updated data: content whose value depends on currency (availability, pricing, status, hours, inventory) refreshed on a cadence rather than written once, Capability 4 — account / state: the site remembers who the visitor is and what they have done (login, saved items, order history, progress) so returning visitors resume rather than restart.

Source: Brief framing, June 2026 (a single bounding contrast used only to fix the boundary of the term).

Confidence: Definitional.

Why this matters for Candid: Prevents a common scoping error — a contact form is not "interactive functionality" in the sense that lifts findability or citability; the output does not depend on what the user entered in a way that creates a queryable / computed result.