The Nuveen Ohio Quality Municipal Income Fund (NUO) is a mutual fund that primarily invests in high-quality municipal bonds issued by the state of Ohio. These bonds are backed by the credit and taxing power of the state, making them a relatively low-risk investment option. The fund aims to provide investors with a steady stream of tax-free income while also preserving the capital invested. With a focus on Ohio municipal bonds, this fund offers investors exposure to the local economy and government projects in the state. NUO is a suitable choice for investors seeking tax-free income and a conservative investment approach.