Dialog box options that appear as small circles in groups of two or more. Only one option from a group can be chosen. These are also called option buttons.
Stands for random access memory. The memory in your computer that Windows XP uses to run your programs.
After the initial delay, the rate at which characters appear when you press and hold down a key.
To click the right mouse button instead of the usual left button. In Windows XP, right-clicking something usually pops up a shortcut menu.