Lighting, which is also known as illumination, is the deliberate use of light to achieve a practical or aesthetic effect. Lighting includes the use of both artificial light sources like lamps and natural illumination of interiors from daylight. Depending on the purpose of the lighting, both practical and aesthetic considerations come into play. Practical lighting can be used to provide a light source for activities such as reading, writing, cooking, or other household chores. Proper lighting can also reduce the need for added energy. Lighting can also enhance the aesthetics of a space, providing the right atmosphere for entertaining, or just to create a pleasing atmosphere. There are different types of lighting systems including incandescent bulbs, fluorescents, LEDs, and CFLs. Each of these has its own energy saving features and advantages. For example, LED lighting systems are more energy efficient and offer an improved quality of light. The main types of lighting used for residential and commercial use are indoor lighting and outdoor lighting. Each type of lighting requires its own special considerations. Indoor lighting includes recessed lighting, pendant lighting, and wall-mounted lighting fixtures. Outdoor lighting includes street lighting, landscape lighting, and security lighting. Each type of lighting creates its own unique effect and can be used to enhance the beauty of a space. No matter what type of lighting you need, it is important to choose fixtures and bulbs that are the right size and provide the desired illumination. It is also important to consider both energy efficiency and aesthetics when selecting lighting for a given space. With proper planning, lighting can be used to create a comfortable, attractive, and energy-efficient space.