Eaton Vance Senior Floating Rate Trust is a diversified, closed-end management investment company. Its primary investment objective is to provide a high level of current income. As a secondary objective, the fund intends to seek capital preservation. Its portfolio of investments consists of Software, Health Care Providers & Services, Machinery, Chemicals, Professional Services, IT Services, Hotels, Restaurants & Leisure, Capital Markets, Specialty Retail, Commercial Services & Supplies, and other areas. The trust invests in below investment grade floating rate loans, which are considered speculative because of the credit risk of their issuers.