List box contains a list of items one or more of which can be selected by clicking on it. A list box appears initially as a single line of text, with a down arrow to the right. To display the list of available choices click on the down arrow. Option buttons sometimes known as radio buttons . When selected a bullet is displayed.
Check box represents an option that can be switched on and off.
If it is switched on, or checked , it contains X. Command buttons carry out the command named on the button. The Cancel button closes the dialog box without any changes taking effect. Text box sometimes used to display information, but more usually you are expected to type some information in the box. To replace the highlighted text displayed, just start typing. To edit the text displayed click with the mouse at the appropriate point in the text.