Two channels, two rhythms:
Peer-to-peer (lateral): Quick, direct, in-service or pre-shift. "I need ice." "Cover my well for 2." "Table 14 needs a refill." Brief, action-oriented, no hierarchy needed. Eye contact. Confirmation.
Up to MOD (vertical): Same brevity in-service. After service, longer-form if needed. "I want to raise something about [X]" → schedule a 10 min conversation, don't ambush. MOD owes you a real answer within 48 hours.
What this framework prevents:
What it requires:
Communication that doesn't happen in these channels happens in the back hallway — and the back hallway breeds gossip.