[coordinate system] Longitudes are coordinate on Earth that vary in east-west directions. They are usually expressed in degrees ranging from 0° to +180° east and −180° west. The prime meridian marks the 0° longitude and passes through the Royal Observatory in Greenwich, England.

Particular place or position.

Cultural and linguistic setting applicable to the interpretation of a character string

Engineering datum.

Datum describing the relationship of a coordinate system to a local reference.

Directed topological connection between two nodes (junctions), consisting of an edge and a direction

1-dimensional object that serves as the axis along which linear referencing is performed

One-dimensional coordinate system in which a linear feature forms the axis.

Provenance, source(s) and production process(es) used in producing a resource

 Lines represent geographic features too narrow to be displayed as an area at a given scale, such as contours, street centerlines, or streams.

Period during which something exists

Light detection and ranging.
System consisting of:

1) A photon source (frequently, but not necessarily, a laser),

2) A photon detection system,

3) A timing circuit, and

4) Optics for both the source and the receiver that uses emitted laser light to measure ranges to and/or properties of solid objects, gases, or particulates in the atmosphere

Issuer of a licence