Light is an essential factor in human life, and proper lighting can affect people's vision, health, safety and psychology. Creating proper lighting can be accomplished in many ways. For instance, lights can be used to provide a certain atmosphere in residential and commercial buildings. Properly positioning and orienting the light source can create an atmosphere of warmth, calmness, or liveliness. Additionally, lighting can help define indoor and outdoor spaces, making them more interesting and attractive. Natural lighting is one of the best sources of light. Sunlight helps maintain natural health, has a positive impact on psychological well-being, and is cost effective. Natural light also tends to be more consistent and uniform than artificial light sources. Artificial lighting can also be used to create attractive, energy efficient lighting environments inside and outside. LED lighting, for example, produces less heat and uses less energy and has a lifespan of up to 20 years. It is also available in a variety of colours and shapes and can be used to create interesting decorative effects. Proper lighting can also help to keep people safe. Modern lighting systems come with a range of advanced safety features such as motion sensors, which can activate lighting when movement is detected. Additionally, properly designed lighting can help to reduce the risk of accidents, such as falls or trips. In conclusion, lighting is an essential factor in our lives, and the proper use of lighting can help to create attractive, comfortable and safe environments.