Vastu-Shastra is a Vast and ancient science of living. The word Vastu is derived from the root which means to reside.
It is not an equivalent of the word architecture. Vastu is architecture and much more. While architecture is the science, art or profession of designing and constructing buildings etc., the definition of Vastu extend into the realm of occultism. Vastu Shastra, the edifice science of Bhawan Sthapatya Kala, being the applied aspects of ATHARVAVEDA, is an ancient science and one of the eminent features of our heritage.
Vastu means dwelling of Humans and Gods in the original Sanskrit literature. Many factors govern the life of a human being; his fate, Karma and surroundings.