Downtown refers to the central business district of a city, typically containing commercial, cultural, and historical landmarks.
In North American usage, downtown specifically denotes the lower-numbered streets or the original settlement area of a city.
The term can also be used as:
1. An adjective: "We went to a downtown restaurant"
2. An adverb: "Let's go downtown tonight"
3. A verb in slang: "I'm downtowning with friends this weekend"