The word "Cleveland" can refer to a few different things, but primarily it is a proper noun. Here’s a simple explanation to help you understand it:
Cleveland (noun) - It is the name of a city in the northeastern part of Ohio, USA. It is located on the shore of Lake Erie and is one of the largest cities in Ohio. It is known for being an important port city on the Great Lakes.
Cleveland (noun) - It is also the last name of a significant historical figure, Grover Cleveland, who was the 22nd and 24th President of the United States.
In summary, "Cleveland" is a proper noun that can refer to a city known for its location on Lake Erie and its rich history, or to a notable U.S. president.