Choose the right channel for the signal.
Source: Signal Architecture by Samuel Awonorin
Channel rules
Use chat for quick coordination, not final truth.
Use documents for persistent state.
Use meetings for ambiguity, conflict, sensitive judgement, and high-bandwidth alignment.
Use dashboards for status that changes often.
Use email when a durable formal record is useful.
Decision prompt
What is the signal?
How complex is it?
How emotionally loaded is it?
How urgent is it?
Where should final state live?