Brussels-Capital Region : the territory of the Brussels-Capital Region is divided into six local police zones each including several municipalities.

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)

"The area established around a monument, a unit, a landscape or an archaeological site whose perimeter is fixed according to the requirements of the protection of the surroundings of the heritage in question" having been the subject of a decree for its conservation

"Any territory, geological formation, building, complex or site that includes or is likely to include archaeological goods" having been the subject of a decree for its conservation

"Any group of properties forming an urban or rural unit sufficiently coherent to be the subject of a topographic and remarkable delimitation by its homogeneity or its integration in the landscape" having been the subject of a decree for its conservation

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 : entity PW is the database reference name and official codification of public roads within the territory of the Brussels-Capital

"Any work of nature or man or any combined work of man and nature constituting a space with no or partial construction and showing space coherence" having been the subject of a decree for its conservation

Brussels-Capital Region : "any particularly remarquable building, including installations or decorative elements being a constitutive part of it" having been the subject of a decree for its conservation