How to treat the role and function of calligraphy stele gallery in Jiangnan gardens?

How to treat the role and function of calligraphy stele gallery in Jiangnan gardens? This is a route for shelter, rest and guidance. According to the relevant information, the corridor, as an important means to connect buildings, has a long history in China tradition and plays an extremely important role in sheltering from the rain, resting and guiding the route.