How big is the size of hanging calligraphy and painting on the porch?

First, the definition of porch:

It first refers to the breakthrough of Taoist internal strength cultivation, and Taoist internal strength cultivation can only enter the formal stage after the breakthrough. Later, it was used as a name for indoor buildings, which means that the main house can only be entered through this aisle. Now refers to the hall outside the door, that is, an area at the entrance of the living room; It refers to a transitional space between indoor and outdoor, that is, a buffer space for changing shoes and clothes indoors or walking from indoor to outdoor. Also known as fighting room, lobby and foyer.

Second, the role of the porch:

Visual function: pay attention to the privacy and concealment of people's indoor behavior to ensure the safety and distance in the hall;

Thermal insulation function: prevent cold air from entering the room directly through the gap when opening the door in winter and peacetime;

Practical function: clothes, shoes, keys and other items can be placed;

Decorative function: it can beautify the interior decoration design.