Polygon                           <p>
This  symbol represents a polygon.  It
works just like the rectangle.  If you
click the lower half, you can draw the
outline  of  a  polygon.  If you click
the  top  half,  you  can  draw filled
polygons.   Click  the  mouse  once to
mark the first edge of the polygon.  A
rubber  band  effect will be connected
to  the  first  point  from  the mouse
pointer.   The  next mouse click marks
the next edge of the polygon.  You may
close  the  polygon by either clicking
the   starting   point   again  or  by
pressing  the right mouse button which
will  fill  the area between the first
and last mouse clicks.