Final answer:
The correct term for the markings ensuring safety in airside areas is Airside Ground Markings. Sidewalk ramps and Braille signs are accommodations for people with disabilities as per the Americans with Disabilities Act.
Step-by-step explanation:
The term that encompasses painted markings, traffic signs, and lights ensuring safe movement of aircraft, vehicles, and pedestrians in airside areas is d) Airside Ground Markings. These are crucial for the safety and efficiency of airport operations. Airside ground markings include various types of lines, symbols, and numbers that guide aircraft during taxiing, take-off, and landing.
Conversely, the answer to the reference question, related to the Americans with Disabilities Act, is d) both b and c. Sidewalk ramps and Braille signs are indeed accommodations required by the Americans with Disabilities Act and also forms of accessibility for people with disabilities. These measures are designed to ensure equal access and safety for individuals with different kinds of disabilities.