How is a "structural element" defined?

A "structural element" is defined as a component that supports loads in a building. This includes elements such as beams, columns, walls, and foundations that are integral to the stability and integrity of the structure. Their primary function is to carry loads, which can include dead loads (permanent/static), live loads (variable/movable), and environmental loads (like wind or seismic forces). By supporting these loads, structural elements ensure that the building maintains its shape, does not collapse, and preserves occupant safety over time.

In contrast, other components mentioned in the options, such as those that separate rooms or serve as decorative features, do not fulfill the critical role of load-bearing and structural integrity. Similarly, coverings for roofing systems, while essential for weatherproofing, do not directly contribute to the structural support of the building. The focus on load support clearly identifies the role and significance of structural elements within a building's architecture and safety system.