Lighting has been around since the dawn of civilization. Its use has evolved over time to become a critical source of functional, aesthetic, and energy-saving light in cities and communities, both in daytime and nighttime hours. Lighting can be used for a variety of purposes. It can provide illumination, create a sense of security, emphasize certain areas, and enhance the atmosphere of an area. Additionally, smart lighting technologies are now being developed that have the potential to make cities more efficient and sustainable. One major advantage of lighting is its ability to increase nighttime visibility, which helps reduce crime and makes pedestrians and drivers feel safer. It can also be used to better illuminate sidewalks and paths, and to highlight signage and architecture that are otherwise difficult to see in low light. Smart lighting can also detect when it is not needed and adjust its brightness accordingly, helping save energy and money. In addition, lighting is used to create different atmospheres in different spaces. For example, LED lighting can be used to mimic natural light levels in order to create a cozy cafe ambience. Lighting can have a major impact on both our physical and mental wellbeing. Good lighting can reduce the risk of accidents, improve the quality of sleep, and promote relaxation and stress reduction. In short, lighting is an essential part of any space, whether it is indoors or outdoors. It can be used to enhance the aesthetics of a space, improve safety, and even conserve energy when used properly. With the advances in technology, lighting is only becoming more important as cities evolve and become smarter.