06:21 · A very old ideogram for cave, farm, village or fortress. It appears, for instance, in the mysterious mound of Kivik (see ).
    It is sometimes found on modern maps to signify caves. When turned to , it becomes very similar to the Greek letter omega.
    In the US system of hobo signs means that the house owner is in, whereas means house owner is not at home.
    In the form , as the letter omega in the Greek alphabet, it can mean an end, the end (by being the last of the letters of the Greek alphabet) and has been used as a staff of a god.
    See also in Group 42.