The first heptagram was used as a symbol in the Kabbalah, and later by Aleister Crowley and the Ordo Templi Orientis where it was known as the Star (or Seal) of Babalon. 

The heptagram is also used in Christianity to symbolize the seven days of creation and became a traditional symbol for warding off evil, thus the reason that most sheriff’s badges are first heptagonal shaped.[citation needed] 

The heptagram is also the symbol of perfection (or God) in many Christian religions. 

In Alchemy, a seven-sided star can refer to the seven planets which were known to ancient alchemists