What are the functions of the foyer in graphic design?

What are the functions of the foyer in graphic design? The foyer has three functions: 1, and the exhibition function: exhibition area and reception area, living room function, office area and cultural exchange area. 2. Negotiation area: exhibits and exhibition area. 3. Lounge: After customers come to the exhibition hall, they can see the image of the enterprise and the display area of products or services. Through a large number of exhibition areas, enterprises can quickly understand their products and culture.