Feedback
Back channel
Meaning
Noun
●
The
smaller
of two
channels
in a
river
that
diverge
to form an island.
●
A
secondary
channel
of
activity
,
typically
in parallel
with
primary
channels
and somewhat
independent
of them.
●
An
unofficial
communications
channel
used to make
informal
or
subversive
negotiations.
●
In Computing:
A
real-time
online
discussion
that
occurs
simultaneously
with a
verbal
presentation.
●
In Linguistics:
A
gesture
or
short
prompt
by which a
listener
invites
a
speaker
to continue.
Sourced from
Wiktionary
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