The motherboard contains the central electronic components of the computer.
Home page usually refers to the page that initially displays if you type in http://www.example.com/ It's usally named index.html, index.shtml or the like.
A driver. A driver is basicly and application or component that helps communicate between you computer and a device(a mouse, keyboard, printer etc.) You may have know when you get a new mouse and connect it up, Windows always tries to find a driver and download it.
It helps to keep things organized
