Define "life safety" in the context of building inspection.

Life safety refers to the measures and practices put in place to protect the occupants of a building during emergencies, particularly in situations such as fires, natural disasters, or other hazardous events. It encompasses a range of systems and design features, including fire alarms, sprinkler systems, emergency lighting, and clearly marked exits, all geared towards ensuring that individuals can safely evacuate the building when necessary.

This definition underlines the importance of planning and executing design elements that minimize risks and safeguard lives, adhering to strict building codes and standards. Consequently, it is a key focus in the field of building inspection, where professionals assess whether these life safety measures are adequate and compliant with established regulations.

The other options, while related to building safety, do not specifically address the core concept of life safety. Energy efficiency is an important consideration but does not focus on occupant protection during emergencies. Similarly, insurance requirements pertain to financial protection rather than physical safety, and regulations on commercial signage do not directly relate to the safety of occupants within a building.