What saying can help remember the meaning of location signs at airports?

The saying "Black on yellow—Tell a fellow" serves as a mnemonic device to help individuals recall the meaning of location signs at airports. In this context, the black text on a yellow background is typically associated with providing directions or information that are critical for safety and situational awareness. The color combination stands out to ensure visibility and convey important messages effectively.

By associating this specific color combination with the idea of communication or alerting others—indicated by the phrase "Tell a fellow"—it reinforces the notion that these signs are not just for personal navigation, but also for aiding fellow travelers in navigating the airport environment safely. This mnemonic is particularly useful in high-stress situations, such as emergencies, where quickly and accurately understanding the signage can impact response times and overall safety.

Other sayings mentioned may not hold the same universal applicability or clarity in the context of airport signage and its relevance to emergency awareness or navigation, making this specific phrase the most effective choice for helping those studying airport operations.