Words like you, here, and tomorrow are different from other expressions in two ways. First, and by definition, they have different kinds of meanings, which are context-dependent in ways that the meanings of names and descriptions are not. Second, their meanings play a different kind of role in the interpretations of the utterances that contain them. For example, the meaning of you can be paraphrased by a description like "the addressee of the utterance." But an utterance of (1) doesn't say (...) the same thing as an utterance of (2). (shrink)