We explore the many ways the arrows.app single-page application might interact with wiki. We start with an example, some Persons and Towns. arrow 
pages/import-from-arrow/data
Our exploration spreads out on to additional pages and more challenging test cases there. github
Import Cypher from Arrow needs backtracking.
Import JSON from Arrow ok with conventions.
Import Link from Arrow using Marc's example.
pages/import-from-arrow
Arrow offered to download in graphql which created a .gql file that defined nodes and relations rooted in each node but didn't seem sufficient to identify uniquely the target of the relations.