Lighting is an important element for our lives. It helps us to understand our environment and make us more productive. Its also an art, which can be used to create aesthetically pleasing atmosphere. Lighting can provide us with illumination when it is too dark to see, and it can direct and focus attention. In addition to this, it helps create an atmosphere or a feeling in a room, and can even be used for decoration. Lighting can come from different sources, such as natural light, artificial light, and electric light. Natural light is light coming from the sun, while artificial light sources include incandescent, fluorescent or halogen lamps. Electric lighting is any lighting powered by electricity. Lighting can be used for functional purposes, such as retail stores, hospitals, schools and offices. In these settings, the lighting should be bright and evenly distributed. In other settings, such as residential homes, restaurant and movie theaters, lighting can be used to create a certain atmosphere. Indoor lighting has become much more complicated and creative in recent years. Through the use of dimmers, LEDs and accent lighting, people are able to create a more attractive atmosphere in their home. By using color-changing LED lighting, architects and designers are able to create dynamic lighting effects in commercial buildings. In conclusion, lighting is an important element for our lives that helps us to understand our environment. It can come from different sources and used for functional and decorative purposes. It can also be used to create more attractive atmospheres in residential and commercial buildings.