“Lighting” is essential to our lives. It not only provides us with visibility, but also brings warmth and energy to our lives. Lighting has been around for centuries. Ancient people used animal oils and other natural substances as lighting sources, gradually evolving to the use of candles and gas lamps. Nowadays, electric lighting is the most commonly used type of lighting. Electric lighting is more efficient, versatile and safer. Lighting plays an important role in our daily lives. It provides us with the ability to see and perform activities regardless of daylight or night.Adequate lighting is particularly important in places such as offices, schools, factories, hospitals and homes. Proper lighting can not only improve the safety, but also help us stay focused and be more productive. Furthermore, lighting can also be used aesthetically as a form of decoration. Creative lighting can make a home or a public space look more attractive and lively. Whether it is indoor or outdoor lighting, its brightness, color and location should be taken into account in order to achieve the desired effects. In conclusion, lighting is an essential component of our lives. It is not only used for practical purposes, but also for its aesthetic value. Careful research and planning are necessary in order to make sure the lighting is effective and provides a pleasant environment.