ConcordanceIdentifying equivalence between features in two dataset, useful for data joins.
DeprecatingKeeping a Who's on First record's attributes and geometry intact, but removing it from search results and other Mapzen services.
Supersedes, Superseded_byLinking record A to record B and vice versa, usually after deprecating one record.
RecordA single file (.geojson or .shp) in the Who's On First repository.
GeometryThe shape of a Who's on First record.
Attribute TableA table of cells in QGIS that are joined or related to geographic data.
MetafilesFiles generated programtically that are meant to be updated as the underlying Who's On First (WOF) is updated and used to perform targeted lookups against the entire WOF dataset. A large list of all the neighbourhoods in the world.
Point in Polygon (PIP)A system that asks whether a given point in the plane lies inside, outside, or on the boundary of a polygon.