Terms

Term	Meaning
Journey	A bounded user or contributor task with a declared start, completion condition, recovery route, evidence source, and owner
Experience surface	A user-visible or machine-visible interface such as documentation, CLI, Skill, host shell, Preview, issue form, package, or release
Declaration	Structured facts owned by the capability responsible for their meaning
DX catalog	A read-only index of declaration locations and versions; it references owners and does not copy their judgment
Projection	A deterministic structured representation derived from declarations, such as help, schema, a support table, or an issue-form option list
Curated prose	Human-authored explanation, examples, recovery judgment, and translation
Evidence receipt	A bounded, sanitized record that states what was observed, where, when, against which revision, and what remained unobserved
Promotion	A change to a public support or release state after its required contract and evidence gates pass
Freshness	The validity window declared by an evidence policy and recorded explicitly in a receipt
Drift	A difference between a canonical declaration and a checked public projection or claim
Unobserved	Evidence was not collected or was not applicable; it is neither success, failure, nor numeric zero