Your waiters can go through the places of their customers, pick up orders and payments quickly and send orders directly to the kitchen without having to walk long distances, the orders arrive directly to the kitchen Displays
Yours waiters should no longer worry that the cooks don't understand their lyrics, now they can, on each plate give indications that the cooks can read without problem.
The waiters can charge at each table at the time of taking the order, for example: a crowded bar, the waiter asks for the amount charged and then delivers the drinks.
The waiters can take orders, send the order to the kitchen and charge until the end, for example, a sushi restaurant that first serves the food and customers pay at the end
waiters can charge with cash or with any credit / debit card