noun

signalling

signaling, the act of sending signals

Railway signalling is a complex system.

Railroad signaling is a complex system.

Body language is a form of non-verbal signalling.

Body language is a form of non-verbal signaling.

((noun)) the act or system of sending signals Railroad signaling is a complex system.

communication, indication, gesturing

From Latin 'signum' (a sign). The '-ing' suffix denotes an action or process.

Think of traffic lights 'signaling' when to go or stop. The word refers to this entire process. Note the single 'l' in US spelling.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.