That is, to change fonts, colours and so on. Used to rotate the coordinate system. Used to scale the coordinate system. Creates a subfigure, which itself consists of a sequence of fElements. It is designed to allow recursive use, so that you can have subfigures of subfigures of subfigures and so on.
More introductory material is provided in Creating figures.
Creating figures using the figPac Template. The drawing environment. Creating new classes of figure elements. Sample code that yields a PostScript file when run as an application and that yields a screen image when run as an applet.