A brilliant little article on the old school signs used by waiters in dining. Like a little primer to visiting another country - signs waiters used to use to communicate:
Link: Sign Dining Courtesy the NY Times
Interesting how the lexicon has changed - small hand signals to indicate texting, gone for a cigarette, losers - signs now have no subtlety and are easily intercepted by customers. But I've forwarded this to the staff and it will soon be fixed...