1. Secret or hidden exchange of information, messages, or signals conducted in a way designed to avoid detection or observation
The intelligence agents used covert communication channels to exchange classified information.
Os agentes de inteligência usaram canais de comunicação encoberta para trocar informações classificadas.
2. Non-verbal or indirect messaging intended to convey meaning without explicit statement
Their covert communication through glances and subtle gestures revealed their shared understanding.
Sua comunicação encoberta através de olhares e gestos sutis revelou seu entendimento compartilhado.