Lighting is the action of providing or producing light. Lighting can be done with natural, electrical, and chemical means. Natural lighting most commonly refers to sunlight, and is essential for us to be able to see and work in our environment. Illumination is done using artificial light sources such as lamps and light fixtures. Lighting plays a very important role in our daily lives. The proper amount of light helps us to focus on our tasks, read, perform activities, and even help us feel comfortable in our surroundings. Properly placed decorative lighting can help set the mood of a room. Lighting is also very important in providing for our safety, as well as discouraging thieves to enter our homes. Different types of lighting are used in different places and for different purposes. Different types of lighting are used in a home, such as task lighting for reading and working, ambient lighting for general illumination, and accent lighting for feature lighting. Businesses and offices use task lighting to improve productivity and office lighting for the comfort of the employees. In public places, lighting is used to provide visibility and security. Streetlights are important for nighttime visibility and safety for pedestrian and vehicle traffic. Area lighting is used for parks and other public spaces. Lighting is an essential part of both our home and work life, and it is important to choose lighting fixtures that best suit the intended purpose. Lighting can make a difference in our quality of life, and also create a safe and comfortable environment.