Brussels-Capital Region : data on the 3 Surface Water Bodies of the Area of Brussels, defined under the Directive and the Ordinance Water : code European, code of Brussels and name of the water mass, hydrographic district.

Brussels-Capital Region : Statistical district means an area containing a set of addresses defined at the municipal level by the National Statistics Institute (INS) as the basic unit for the population census. This grouping is based on a geographic analysis of the municipality that reflects its urban, social and economic structural morphological characteristics.

Brussels-Capital Region : SA entity corresponds to the axes of street sections of the Region of Brussels-Capital

Brussels-Capital Region : Entity Address Point (ADPT) is the location of the address points of the Brussels-Capital

Brussels-Capital Region : Street nodes designate the set of points at the ends of lines of road network ("Axe Street"). It corresponds to an intersection of axes or a shaft end.

Brussels-Capital Region : the entity "Tube Block" (or metro area) identifies rights-ground tunnels and aerial parts (including stations) metro and pre-metro/tram.

Brussels-Capital Region : entity "rail line" is the track layout railway or tramway. The distinction between rail railway and tramway track is included in the same name of the entity (RW = TW = Railway and Tramway). A concept level is also specified in the name of the entity (ground level = 0, M = P = lower level and upper level)

Brussels-Capital Region : the entity "Rail Block" (railway area) identifies portions of the territory occupied by the railway. These surfaces not lines representing the rails. There are: 1. areas of railway located at [0] (ie ground level "natural", abbreviated RB-0): - Areas in a physical island - Crossing 2. areas of railway located at [-] (ie ground level, abbreviated RB-M): - Parts of railway under a road (invisible from the sky) - tunnels 3. zones thereof located at [+] (ie higher level short RB-P): - Parts of railway over a road or a river (visible from the air) The contours of the airspaces of the railway were built from the topographic map UrbIS-Topo (photogrammetric surveys). The tunnels were designed based on drawings provided by SNCB.

Brussels-Capital Region : land cover refers to the physical and biological cover of the earth's surface, including artificial surfaces, agricultural areas, forests, semi-natural areas, wetlands, water bodies. The entity "Green Block" (or green area) identifies the footprint of vegetated amenity areas(lawn, trees, possibly planted with flowers and ornamental trees and bushes, and often lined ponds and paths). Green areas have been designed on the basis of various plans (photogrammetric surveys, detailed maps, maps of towns, ...). They have a heterogeneous precision because of the diversity of origin. The entity "Green Block" (or green area) is represented using three different types: - GB-A: grassed (some grassy berm plants or trees) bands; - GB-B: parks (water parks located in these areas are not excluded); - GB-F: forests or wood (islets of the Soignes Forest located in the Brussels Region). The entity "Water Block" (or water area) locates and identifies various water bodies in the territory of the Brussels-Capital Region (channel, ponds, Senne river, ...). We distinguish : 1. water areas located at [0] which are visible from the air (abbreviated WB-0); 2. water areas (for the channel) located at [-] on the road (invisible from the sky) (abbreviated WB-M).

Brussels-Capital Region : entity "Green Block" (or green area) identifies ROW floor of approval vegetated areas (lawn, trees, possibly planted with flowers and ornamental trees and bushes, and often lined ponds and paths). Green areas have been designed on the basis of various plans (photogrammetric surveys, detailed maps, maps of towns, ...). They have a heterogeneous precision because of the diversity of origin. The entity "Green Block" (or green area) is represented using three different types: - GB-A: grassed (some grassy berm plants or trees) bands; - GB-B: parks (water parks located in these areas are not excluded); - GB-F: forests or wood (islets of the Sonian Forest located in the Brussels Region).