Feng means wind and shui means water. In traditional Chinese culture, wind and water are viewed as being related to good health and good fortune. Thus, Feng Shui is the science of harmonizing with the surrounding environment. Itis based on the Taoist holistic view of the world, especially in the idea that everything is alive and filled with energy (Qi). According to Feng Shui, this energy binds the universe, the Earth, and humanity together.
By now, you may realize that Feng Shui is an interesting science, but it is not a simple one, specially if you try to understand it with your current frame of knowledge and perceptions.
In this video, you can understand to a certain degree the truth, myth & meaning about house numbers from the perspective of Feng Shui.