What does the term "Confirmation" refer to in hand signaling?

The term "Confirmation" in hand signaling specifically refers to the acknowledgment that a message was received and understood. In the context of ramp operations, hand signals are crucial for maintaining clear communication between team members, especially in noisy environments like airports where verbal communication may be difficult. When a signal is given, the receiver responds with a visual confirmation—such as a nod or a specific hand gesture—to indicate that they have received the message correctly. This ensures that all personnel are aware of and agree on the actions that need to be taken regarding the aircraft or operational procedures.

The other options focus on tasks that are not directly related to the concept of hand signaling in this context, such as verifying fuel levels or establishing a flight plan, which are separate operational processes. Similarly, signing off on completed tasks pertains more to the documentation of actions rather than communication through signaling.