Check boxes

Check boxes, like the examples shown in the in Figure 2-12, enable you to turn some option on or off.
(That figure is showing the Taskbar tab of the Taskbar and Start Menu Properties dialog box.) Unlike
option buttons, check boxes are not mutually exclusive. You can select any combination of check boxes
you want. When a check box is selected (contains an X or a check mark), the option is turned on. When
the check box is empty (clear), the option is turned off. If the check box is gray in the middle, that
usually means that some, but not all, of a subset of options is selected. (Don’t worry about that right
now.) To select — or clear — a check box, click it. Often you can click the text to the right of a check
box to turn it on and off.