What Do We Mean by Analytic Statements?

The terms for each of these kinds of statement are not terribly important, but will give them so that you can er frighten your enemies and make your friends envious. And it therefore behoves us to get some idea as to what we mean by proving anything. What do we mean by an analytic statement? What i mean by a synthetic statement? Depending upon the difference between these two statements, the kind of evidence or proof that one needs to offer will be different.