A path to a physical file in [http://en.wikipedia.org/wiki/Path_(computing)#MS-DOS.2FMicrosoft_Windows_style DOS/Windows]- or [http://en.wikipedia.org/wiki/Path_(computing)#Uniform_Naming_Convention UNC] notation.
===Geo DataGeographic Coordinate===
Absolute geographic position combined of [http://en.wikipedia.org/wiki/Longitude Longitude], [http://en.wikipedia.org/wiki/Latitude Latitude] and [http://en.wikipedia.org/wiki/Altitude Altitude] in [http://en.wikipedia.org/wiki/World_Geodetic_System WGS84] format.