What are the applications of a temporary wall?

Usually people would install a wall in their homes to create another room out of it. But in places which are rented for a pretty long time such as an office space, a retail store or even an exhibition area, the whole interiors is done with the help of Temporary Wall and not solid concrete walls made of brick and mortar. So there certainly is more than one use of temporary walls and it is up to you find that out!