多角形(A shape built from a regular pattern of points and segments. Examples of polygons include a triangle, a hexagon, or a 12-point star, takakukei); ポリゴン(A shape representing a single area in a coordinate system. It may have holes, but it does not have multiple disconnected regions, nor does it have any infinitely-thin spurs. Its borders are representable as line strings in the same coordinate system)
