CLIM offers a set of drawing functions that enable you to draw points, lines, polygons, rectangles, ellipses, circles, and text. You can affect the way the geometric objects are drawn by supplying options to the drawing functions. The drawing options specify clipping, transformation, line style, text style, ink, and other aspects of the graphic to be drawn. See 3.2, Using CLIM Drawing Options.
Common Lisp Interface Manager 2.0 User's Guide - 3 Mar 2015