In the middle part, all options and parameters used by the function can be set. The options can either be set by radiobuttons or by checkbuttons . Parameters can be entered in entry fields , or can be set on scales . The bottom part contains the action buttons . When clicked on, these buttons will execute a function.
Several buttons appear on practically any dialogue box.
The 'Go' button will execute the function with the current parameter settings. The 'Cancel' button will remove the dialogue box without executing an action. Other buttons with other associated actions can be present. An action associated with a button can be executed by typing the first character of the text on the button. The 'Escape' key will invoke the 'Cancel' action.