The document discusses the origins and traditions of Halloween. It begins by explaining that the Celts believed the souls of the dead visited Earth on the last day of October, which they celebrated as Samhain. It then describes how the name "Halloween" came from "All Hallows' Eve," the night before All Saints' Day on November 1st. Finally, it outlines some common Halloween traditions like jack-o-lanterns, apple bobbing, dressing up in costumes, trick-or-treating, and superstitions.