Vanguard Long-Term Bond Index Fund ETF Shares (NYSE:BLV) aims to provide investors with a broad exposure to the long-term, investment-grade U.S. bond market. This ETF seeks to track the performance of an index that measures the investment return of long-term government and corporate bonds. Through its portfolio, it offers diversified exposure to the bond market, focusing on securities that have a higher duration, thereby targeting investors seeking steady income over a longer horizon. The fund's strategy involves investing in a wide array of bonds to minimize risk while aiming for consistent returns, making it suitable for those with a long-term investment perspective.