The Fidelity Advisor Floating Rate High Income Fund (FIQSX) is a mutual fund that seeks to provide investors with a high level of current income by investing in a diversified portfolio of floating rate loans and other floating rate debt securities. This fund is classified as Class Z, which typically indicates a fund with a lower expense ratio and higher minimum investment compared to other classes. The fund is managed by Fidelity Investments and may be suitable for investors seeking a higher level of income with potential for lower interest rate risk.