Called by, also known as patron, refers to the real wall behind the sofa and reliable, worry-free, home environment that is in keeping with the design of the road.

This, we can learn from the ancients with seating, especially Court Chair has been demonstrated. Not only the back of the seat of the ancients, for display at the position against the wall and pattern on the seat to mountain view is preferred, meaning is to use.

If the sofa is behind the window, door, or channels, from a psychological perspective, behind the sofa empty and insecure; from a Feng Shui point of view, is a free close behind was leaked, to Wang Ding Wangcai of risks.