Lighting is the use of light sources to provide illumination to areas or objects. Lighting is one of the most common forms of energy used around the world, and is necessary for modern life. Lighting is used in homes, businesses, offices, and many other indoor and outdoor settings. Whether a space needs to be lit for safety, security, task completion, aesthetics, comfort, entertainment, or any other purpose, lighting is an important part of life. There are many types of lighting systems, including incandescent, fluorescent, and LED bulbs. Incandescent bulbs use an electrical current to heat a wire filament until it produces light. Fluorescent lighting works by passing an electric current through a tube filled with a gas, which emits ultraviolet light. LED lighting is a more energy efficient type of lighting and works by converting electrical energy into light with the use of semiconductors. Lighting is important for visibility, mood, and safety. Different lighting techniques and colors can be used to create different atmospheres in a room or area. For example, dimming the lights can create a relaxing or romantic atmosphere. Bright lights can help to create a lively atmosphere. Additionally, lighting can be used to improve visibility and reduce risks of injury or accidents in areas that are not well-lit. Lighting is an essential part of everyday life. It not only creates a functional environment, but also makes an area more attractive and stimulates feelings and emotions.