What does "signaling" mean?

The sending of a signal (often with reference to a biochemical signal).

Signaling

Common synonyms include: signal, alerting, betokened, biochemical regulation, cell communication, clueing.

noun, verb

noun, verb ·3 syllables ·Moderate ·College level

Noun

1
The sending of a signal (often with reference to a biochemical signal). US
"A lot of visual signaling happens on the deck of an aircraft carrier."
2
any nonverbal action or gesture that encodes a message wordnet

Verb

1
present participle and gerund of signal US, form-of, gerund, participle, present
"He was signaling his readiness to undertake daring tasks."

"Don't change lanes without signaling."