agreed signal

Examples (10)

• The scouts used an agreed signal to indicate that the path was clear.
• Before they went their separate ways, they established an agreed signal for emergencies.
• The two spies communicated through a series of agreed signals hidden in newspaper ads.
• They relied on an agreed signal to know when to initiate the plan.
• The coded message was sent using an agreed signal that only the recipient would understand.
• The hikers had an agreed signal to use if they got lost.
• The team leader gave the agreed signal, and everyone moved into position.
• Without an agreed signal, it's difficult to coordinate such a complex operation.
• The agreed signal was a specific whistle that could be heard over a distance.
• They developed an agreed signal to confirm that the information had been received correctly.