Symbols are objects that represent something.

The lecture area is where the processing and packaging takes place.

The processing area is where the finished products were stored ready for distribution.

Sink is an area where food preparation is spent such as cleaning, cutting food, removing waste and dishwashing.

The toilet is a room for necessities.

Entrance refers to a door for one's entry.

Storage area is part of the food processing layout where lessons take place.

Trimming area is a place where trimming and slicing is done.

Board is a surface where information is posted or written.