Look up the word freelancer on the Internet, I had the same question, it's someone that self generates money by whatever means and can prove it, in the west we would call a entrepreneur or self employed person.
cheers Tod, I think there is alot of interpretation going on as early days, should all settle down. If we look at other visa extensions costing 1900tb they do not follow the cost of the visa itself. However, you do have it in writting there!
From what I read it's a five year multi entry visa with a maximum stay, just like the MTV, I don't read it says 10,000tb each year, you re-enter on the same visa until it's no longer valid, question is if you leave withing the 180 days and re-enter, what stamp will you get or will they deduct days used!