I agree with what Carey said, but would add that terms like "high tension," "medium tension," "hard tension," and "normal tension," do not tell you much about the actual tension of the strings since these are not standardized categories. One maker's high tension could be lower tension than another's medium tension, for example. Also, the published tensions for strings is often inconsistent even among the same maker, and the method used for measuring the tensions is often unclear (the scale length used, for example). Hope this helps.