Lighting is defined as the process of providing light to an area or space. Lighting affects the visibility and safety of a room, and has an important role to play in influencing emotions in both residential and commercial settings. The different types of lights found in residential settings include incandescent, LED, halogen, fluorescent, and Compact Fluorescent Lighting (CFL). Each type serves a specific purpose. Incandescent bulbs are used for soft, ambient lighting, while halogen bulbs are primarily used to highlight features or provide directional task lighting. LED lights and CFLs are often used to replace inefficient incandescent bulbs and provide increased energy savings, while fluorescent bulbs are often used in commercial applications such as offices or warehouses. When it comes to lighting for residential settings, there are two major considerations: aesthetics and practicality. Aesthetically, the type of lighting chosen should enhance the overall design of the space. Practically, the light levels should be adequate to allow tasks to be comfortably carried out and ensure safety. In commercial settings, lighting is typically required to meet various specifications. These could include the amount of light used, the placement of the lighting fixtures, the kind of lighting used, and the color of the lighting. In sum, lighting serves many purposes in both residential and commercial settings. When choosing the right type of lighting, it is important to consider both the aesthetics and practicality of the space.