1. Unofficial or covert methods of communication, typically used to conduct negotiations or discussions outside of formal procedures
The diplomats used back channels to negotiate the peace agreement without public scrutiny.
Os diplomatas usaram canais informais para negociar o acordo de paz sem escrutínio público.
2. Secret or indirect routes of communication between individuals or organizations
Intelligence agencies often communicate through back channels to protect sensitive information.
As agências de inteligência frequentemente se comunicam através de canais secretos para proteger informações sensíveis.