. . . . . . . . . . . . . . . . . . . "This describes a part_whole relationship where the Part provides the boundary between the Whole and what is not that object. The Part can exist along a continuum of width. It can be modified by an Orientation that specifies the particular portion of the edge of a Part_prop which describes a property of the Part. \nWe came to the southern edge of the town . "^^ . . . . .