A Link is not merely a drawn edge. It is an inspectable, versioned connection with its own purpose, evidence, confidence, lifecycle and history. Explorer may discover candidate Links; Navigator traverses trusted Links.
LINK_ID · type · version · status
Source object · target object · direction
Relationship verb · purpose · scope boundary
Evidence · provenance · reviewer · confidence
Created · revised · promoted · retired · history
Journeys · routes · citations · traffic · reuse count