What is "quitting" in architectural design?

North-South double export design, what is North-South double export design? That is, regardless of the north and south, the area of each floor decreases step by step, and each household is given a large terrace with an area ranging from 120- 150 square meters. First, we are the first Italian garden house in Huai 'an, with five floors in total; Second, the design of removing the platform from the north and south platform, in which each household gives a large terrace, which not only gives a large area and high comfort, but also benefits the owners; Third, good lighting and ventilation, because the floor is low, and the north-south double platform design, the farther upstairs, the greater the distance between the front and rear buildings, the better the lighting. -Zhejiang Construction Recruitment Network