The term " Sacred Geometry " is established in order to show that the universe and life in the universe are not a product of coincidence or chaos. On the contrary, the cosmos is a perfect organization of many spaces, sounds and silences. Where colors and shades are  not by chance, but correspond to  laws and plans that are very complete and complex.
Sacred Geometry is clearly represented in temples and cathedrals. The reason is simple and direct since those are places of retreat, meditation and deep reflection. And not only because they are evocative of the infinity of the cosmos and the beauty and balance of the universe. But also because they are ways of  communication between man and the universe. A great source of energy is expressed  and manifested because these buildings are aligned to constellations and to some stars in particular...continuation>