The term 'Dweller in a Virtual 'CITY'' can be summarized as a Sim, which is a three-letter acronym for a simulated person in a computer game. A Sim is a character in the popular video game series The Sims, which allows players to create and control virtual people in a simulated world. Players can customize their Sims' appearance, personalities, and life goals, and can also build and manage their own virtual cities. As such, a Sim is a dweller in a virtual CITY, living out their lives according to the player's decisions.