The DoubleLine Core Fixed Income Fund Class I (DBLFX) is a mutual fund that primarily invests in a diverse portfolio of fixed income securities, such as bonds and other debt instruments. Managed by DoubleLine Capital LP, this fund aims to provide investors with a stable and consistent stream of income while also preserving capital. With a focus on high-quality, investment-grade securities, DBLFX offers a low-risk option for those seeking to diversify their portfolio and potentially earn a steady return.