The board on the table in the dining room where the menu is placed is called the menu folder.

1. The menu in a broad sense refers to all the information related to the products, prices and services of catering enterprises in the restaurant, including not only all kinds of words, pictures, audio-visual materials, models and physical materials, but also the menu written by the waiter after the customer orders.

2. The narrow menu refers to all kinds of printed materials prepared by catering enterprises to introduce their products, services and prices in order to facilitate customers to order food.