A polite “understood” can close a meeting while leaving several meanings unresolved
Different disciplines often use the same word for different reference levels, tolerances or responsibilities.
Coordination therefore includes how questions are asked, recorded and confirmed
A short readback, marked reference or written decision may cost minutes at the table and save days of corrective work.
The design consequence is a clearer hierarchy of information, traceable references and documents that remain usable under real site pressure.
The expensive sentence is often not the difficult question, but the easy statement nobody examined.