The Nationwide International Index Class C (GIICX) is a mutual fund that focuses on investing in international stocks. It aims to track the performance of a specific international stock index, providing investors with exposure to a diverse range of companies outside of the United States. This fund is classified as a Class C fund, which typically has a higher expense ratio but may also offer lower initial investment requirements. Overall, the Nationwide International Index Class C offers investors the opportunity to diversify their portfolio and potentially benefit from the growth of international markets.