Hi Mr. Tom: Nuance is subtlety. It can be used in many different contexts.
Foreigners might come to understand the nuances of a language if they live among native speakers for several years.
Quote from a book review: Somehow there's never been a political leader, in my living memory, or in history as far as I know about it, who is as empty of nuance as George Bush.
Nuance refers to a subtle difference or a subtle quality. For example, you might have two words for which the meanings are almost the identical, but one may have an added nuance in the meaning that the other doesn't have. I might compare it to having two red shirts, but one of the red shirts has a slight nuance of purple. In other words, the color is a slightly different shade of