The Fidelity Freedom 2045 Fund: Class K (FSNZX) is a mutual fund that aims to provide long-term growth and capital appreciation for investors who plan to retire in or around the year 2045. This fund is managed by Fidelity Investments and primarily invests in a mix of stocks and bonds, with a focus on growth-oriented investments. The Class K shares of this fund have lower expenses and are typically available to institutional investors. Overall, the Fidelity Freedom 2045 Fund: Class K offers a diversified and actively managed portfolio for investors seeking to build their retirement savings over the next 25 years.