They have a staff or organization which takes its participants from many different countries. Non-represented - there is no staff from the country in question. In-balance- the proportion of the staff from that country roughly match it's proportion of the world population, and/or influence. under-represented - some staff members come from that country, but not in the proportion that would match that nation's part of the world population. over-represented - more members of the staff come from that country than would be justified by it's actual share of the total world population.