Scope note for the class Morphological Building Section – B2 Back
This class comprises instances of man-made things that are considered functional units for the whole building (e.g. rooms, foundations, roof, and so forth). A B2 is a geometric feature with volume and is a Spacetime Volume (E92). A B2 is composed of (P46) parts that are completely filled with matter (B3 Filled Morphological Building Section), which confines (AP12) empty spaces (B4 Empty Morphological Building Section) that are the result of the intentional disposition of a set of B3.