What does total openings refer to in a construction context?

Total openings in a construction context specifically refers to the count of all windows and doors present in a building. These elements are essential for the structural integrity, functionality, and design of a building, and their inclusion in calculations is important for estimating costs, labor, and materials needed.

The alternative choice regarding the sum of all openings where baseboard is absent does not accurately capture the broader scope of what total openings signifies. While baseboards may be relevant in certain installation discussions, they do not affect the definition of total openings, which focuses on the fundamental elements of windows and doors that create openings in the building's envelope. Therefore, the correct understanding aligns with the formal classification and significance of total openings in construction, which is centered on windows and doors as key components.