summary:displaying maps and tables
in this section you have learned:
-how to use dialog boxes: how to enter parameters to define the way in which a map is displayed.
-the basics of a map window: how to open a map ; the different components of a map window : title bar, menu bar, toolbar, map viewer, layer management, pane, status bar; to resize a map window: to zoom in and zoom out; to read the coordinates of a map (coordinate system); to know the contents of a map (domain).