The Schwab Short-Term Bond Index Fund (SWSBX) is a mutual fund that seeks to provide investors with a low-risk, short-term investment option. This fund primarily invests in a diverse portfolio of high-quality, short-term bonds, with the goal of generating steady income and preserving capital. As an index fund, it tracks the performance of a specific bond index, providing investors with a cost-effective way to gain exposure to the bond market. With a focus on short-term bonds, this fund may be suitable for investors looking for a conservative investment option with a shorter time horizon.