It provides geospatial data on either a sheet of paper or a computer display, like a gazetteer, with the location (such as a call number) represented within a grid overlaying the map's surface.
[1] Geospatial data is often preferred to political borders, which often change.
Information is searchable by coordinates, rather than the metadata for a particular country and region that can be entered into a catalog.
In various institutions, maps are cataloged individually or as sets, resulting in various levels of specificity.
This cartography or mapping term article is a stub.