An applet has usually various parameters. The kind of parameter changes with applets. It is [edit]-[parameter edit] in order to edit a parameter. The icon of the applet currently displayed [ whether a command is chosen and ] is clicked with the right button of a mouse.
After sticking the parameter of an applet on a document, it can also be edited by the [edit]-[attribute change] command. Moreover, width and height can be changed by the drug of a mouse on an edit domain.