To take something literally is to take something on face value without appreciating the other meaning in the background. Er, try to think of a good example. It's hard to explain puns or jokes to cleptomaniacs because they always take thingsliterally. So when you say literally, when you add it on at the end of a sentence like that, it means, i mean what i say. I'm not being idiomatic, i'm not being illustrative or something er. But an iepod doesn't sink. You see those two phrases, same words, different meanings. Moving on. The netherlands is famous for its windmills. They use wind to turn