A pentagram's four lower points symbolize air, fire, water, and Earth. In Western esoteric traditions, the five-pointed star often represents the four classical elements—air, fire, water, and Earth—together with a fifth principle, usually spirit, represented by the upper point.
The exact symbolism depends on the tradition and the direction of the pentagram. In many modern occult interpretations, the lower four points correspond to the material elements, while the top point signifies spirit or the unifying force above them. These associations developed through layers of Greek philosophy, medieval and Renaissance thought, alchemy, and later ceremonial magic.
The pentagram itself is much older than modern Halloween imagery. It appeared in ancient Mesopotamia and Greece and has carried different meanings, including health, protection, mathematical harmony, and religious identity. A common mistake is to assume that every pentagram has one universal meaning; its interpretation varies by culture, historical period, and whether it is upright or inverted.