Karree (urban development)
The term loin ( French Carré , square ' ) describes urban a closed rectangular or trapezoidal arrangement of terraced houses , which consequently a common (often green) courtyard enclose.
Sometimes the square is not closed, but has a gap. In order to still count as a square, the gap must not be too big. Mostly it is smaller than the width of a house. The inner courtyard in a square offers a certain level of noise protection , for example it seals off street noise ; In addition, the inner courtyard also offers very good wind protection.