The Fidelity Advisor Strategic Income Fund (FIWDX) is a mutual fund that aims to provide investors with a diverse portfolio of fixed-income securities. This Class Z fund is managed by Fidelity Investments and focuses on generating income through a combination of high-quality bonds, mortgage-backed securities, and other debt instruments. With a low expense ratio and a focus on risk management, this fund is designed to provide investors with a steady stream of income while also preserving capital.