Queue
Everybody waiting at the counter, longest wait first. The clock comes from SavaFlow, not from this phone, so it reads the same on every handset.
Check somebody in
Find their account by the reference on their paperwork, then start their wait. Their clock begins when you press the button, not when you search.
Typed exactly as written, including capitals. Nothing is guessed at, because a near match offered here is a near match somebody picks.
Reading the counter.
This list records arrivals and the wait, and nothing else: what somebody is collecting and whether they have paid are not read here. Open a person to see what is staged for them and to hand it over.