$anchor (and $dynamicAnchor) plain-name fragments.
Every schema location in this resource keyed by canonical JSON Pointer (including locations inside embedded child resources).
Dialect in effect for this resource.
$dynamicAnchor names only, for $dynamicRef scope search.
The raw document node this resource was compiled from; kept so $ref pointer fragments can target locations outside known keyword positions.
Root schema of the resource.
Canonical absolute URI (no fragment); "" for an anonymous root.
A schema resource: a document root or an embedded subschema carrying $id.