Five point, Pentacle
Pentagram, aka white-point, is a strongest symbol of the ceremonies, blessings and spells. First pentagrams has been seen from palestenian clay pottery in 4000 B.C. and it was most used by sumerians in 2700 B.C.
During spellcraft, pentagram is either a decorative silver or golden pendant or a symbol, but it also can be made of other materials. It is called for calling divinities and some of the witches keep it as a talisman for its powers.
More about pentagram you can read from the articles.
Blessing of the Pentagram