Vastu Shastra, Auspicious Signs or Symbols

There are certain signs and symbols in Indian culture that are considered auspicious. Vastu Shastra, too, promotes these signs as auspicious. However there are several signs that are thought to be auspicious, such as, cross in Christian religion, crescent moon and a star in Islam, key in Russia, Arihant in Jainism and others. To know more read:
http://www.indianetzone.com/24/vastu_shastra_auspicious_signs_or_symbols.htm