Operating as a diversified, closed-end management investment company, the Eaton Vance High Income 2021 Target Term Trust pursues two main investment objectives: generating substantial current income and returning $9.85 per common share to investors by approximately July 1, 2021. This target amount reflects the original net asset value (NAV) per common share, before a $0.02 per share deduction for offering expenses. The fund's portfolio is strategically diversified across a variety of sectors, including energy, healthcare, telecommunications, technology, gaming, air transportation, diverse financial services, steel, containers, and cable/satellite television. Eaton Vance Management serves as the investment advisor for the company.