You can also open the drop-down menu by holding down the Alt key and pressing the down arrow. You can use the arrow keys to move up and down in a drop-down menu. You can also move to an item by typing the first few letters of the option. Windows 98 and programs that run under Windows 98 use radio buttons to present a list of mutually exclusive options. You can select only one of the options presented.
Radio buttons are usually round.
A dot in the middle indicates that the option is selected. Check boxes are another method used to select options. You click on the check box to select the item. An X or a checkmark appears in a selected box. You toggle check boxes on and off by clicking in the box.