Entity layer Company, product, service, person, place, and parent relationships use stable names and canonical routes.
Question layer Each guide or decision page resolves one buyer question with a direct answer.
Claim layer The statement names the scope, condition, date, and limit when those details matter.
Proof layer The page points to an operation, product, source document, policy, public record, or dated example.
Machine layer Schema, sitemap, feeds, AI indexes, and canonical tags repeat the human-page truth.
Owner layer A person or system owns updates when the fact, offer, or status can change.