Wikipedia:WikiProject Geographical coordinates/type:

The type: parameter specifies the type of location for reverse mapping (for instance, to select a marker icon in the WikiMiniAtlas).

It also sets the map scale, which can however be overridden by dim: or scale:.

Valid types are:

T	Description	Map scale
adm1st	Administrative unit of country, 1st level (province, state), see table, e.g. U.S. states	1:1,000,000
adm2nd	Administrative unit of country, 2nd level, see table, e.g. county (United States)	1:300,000
adm3rd	Administrative unit of country, 3rd level, see table	1:100,000
airport	airports and airbases	1:30,000
city(pop)	cities, towns, villages, hamlets, suburbs, subdivisions, neighborhoods, and other human settlements (including unincorporated and/or abandoned ones) with known population Please replace pop with a number. Commas in pop will be ignored. There should be no blanks.	1:30,000 ... 1:300,000
city	cities, towns, villages, hamlets, suburbs, subdivisions, neighborhoods, and other human settlements (including unincorporated and/or abandoned ones) with unspecified population These are treated as minor cities.	1:100,000
country	(e.g. "type:country")	1:10,000,000
edu	schools, colleges, and universities	1:10,000
event	one-time or regular events and incidents that occurred at a specific location, including battles, earthquakes, festivals, and shipwrecks	1:50,000
forest	forests and woodlands	1:50,000
glacier	glaciers and icecaps	1:50,000
isle	islands and isles	1:100,000
landmark	buildings (including churches, factories, museums, theatres, and power plants but excluding schools and railway stations), caves, cemeteries, cultural landmarks, geologic faults, headlands, intersections, mines, ranches, roads, structures (including antennas, bridges, castles, dams, lighthouses, monuments, and stadiums), tourist attractions, valleys, and other points of interest	1:10,000
mountain	peaks, mountain ranges, hills, submerged reefs, and seamounts	1:100,000
pass	mountain passes	1:10,000
railwaystation	stations, stops, and maintenance areas of railways and trains, including railroad, metro, rapid transit, underground, subway, elevated railway, etc.	1:10,000
river	rivers, canals, creeks, brooks, and streams, including intermittent ones	1:100,000
satellite	geo-stationary satellites	1:10,000,000
waterbody	bays, fjords, lakes, reservoirs, ponds, lochs, loughs, meres, lagoons, estuaries, inland seas, and waterfalls	1:100,000
camera	To indicate the location of where a specific image was taken. This type is used by coordinate templates on File pages.	1:10,000
	Default scale: if no type is used or the type is not defined in the GeoHack extension	1:300,000

Samples

T	Markup	Result
waterbody	{{coord|46|43|N|7|58|E|type:waterbody}}	46°43′N 7°58′E