the sator/rotas square is a 2-dimensional palindrome (a word that reads the same forwards and backwards) which, in this case, both reading directions of its name are used interchangeably. the sator square symbolizes stability, the fixed nature of matter, strong foundations, and order. this mysterious square has been used as a protective amulet since at least the first century. this square can be used for protection or to diminish the power of an evil force over you. the square in these smaller sizes is intended to be used as an altar tile or an ornamental object.