What is another word for back channel?
Pronunciation: [bˈak t͡ʃˈanə͡l] (IPA) 
The term "back channel" is often used to describe an alternative communication path that exists between two or more individuals during a formal conversation or negotiation. Synonyms for this term include "side channel," "parallel channel," "private channel," and "secondary channel." These phrases are often used interchangeably to describe the same phenomenon, but each may carry a slightly different connotation. For example, "side channel" may imply a more discreet form of communication, while "parallel channel" suggests a more equal distribution of power between parties. Regardless of the exact language used, these terms all point to the importance of having clear lines of communication during high-stakes conversations.
