The Toolbar is the button panel below the menu bar. All buttons have tool tips, i.e. small messages that show the meaning of this buttons. The tool tips appear, if you move your mouse pointer over the button and do not move your mouse for about one second. The operations of this buttons are already explained in the previous sections. You can move the toolbar outside the main window or display it in vertical form, if you click inside the toolbar and drag it to another place.