My personal input.
Customer: My little box that i click to launch my word processor has gone off my screen.
Me, Can you see the "my Computer" icon on the desktop?
Customer, what do you mean "Desktop"?
Me: The main picture on your screen where you launch your program from after your computer has started uo..
Customer. Oh yes, i think can see it.
Me, right can you put the mouse pointer over it and double click the left mouse button.
Customer. What does double click mean.
Me. Sigh, i'll come out...
Sometimes, the time spent pissing around on a phone call is wasted. Just go to the job..