to me it means to accomplish something you've set your mind to for years and years and never giving up. It means being able to not only make you a happier person doing what you do but involves making the world a better place as well. That took me 5 seconds to think of. You should, however, print out a list of often asked questions and take at least half and hour to come up with answers for each questions and memorize them before the interview. That should help I hope. 🙂
Success is an abstract ideal. It intrinsically means nothing. Success to me is different than success to somebody else. The race of life is long and strenuous - and in the end - it's only with yourself. This is why I find it more appealing to find myself a success than be seen a success to others.