[data storage] Descriptive information, usually alphanumeric, that is stored in rows and columns in a database and can be linked to spatial data.

Standard containing the definitions of item classes requiring registration.

Datum describing the relationship of a temporal coordinate system to an object.

Data related to concepts or their designations.
 

Set of conventions defining the origin, scale, orientation and time evolution of a spatial reference system co-rotating with the Earth in its diurnal motion in space.

Gridded data whose attribute values describe characteristics of a grid coverage feature in a grid format.

[data structure] A thematic layer is a distinct spatial entity in a data layer. They are usually delineated as points, lines and polygons.

Value of time at which an object's state is measured and recorded.

[software] Topography is the study and mapping of Earth’s features including land surfaces, relief (relative positions and elevations) and the position of natural (water features, physiographic features, etc.) and constructed features (boundaries, cities, parks, landmarks, transportation, buildings, etc.)

[editing] Topology is a set rules that dictates the spatial properties of point, line and area features such as connectivity, adjacency and contiguity.

Device (tag) carried by a vehicle to allow it to determine its location or to be sensed by external objects of known location.

Person’s activity to switch between transport modes, transport networks or transport means.

Collection of data for the purpose of a data transfer.