In the process of rectification, it is classified by color. What does the red on the dock stand for?

Pier: Red, blue and green colors are also pasted on the pier, representing cooked food pier, raw food pier and fruit pier respectively.

The pier of Chinese food refers to the pier of side dishes. There are many chefs in general hotels, and the leader is called the dock. Generally speaking, the wharfs that are more powerful don't need to participate in side dishes, just assign tasks to their staff directly. More leisure than a cook.