Lighting is an important element of architecture. Exterior and interior lighting is necessary for all buildings, from little space to large spaces that may be hundreds of thousands of square meters. Each building needs light to be usable, to illuminate certain spaces and create a safe atmosphere for users. Proper lighting is also essential for highlights details of architectural elements such as facades, openings, materials, and more. Exterior lighting is commonly used for outdoor areas in the evenings, weekends, or during the day depending on the needs of the building. Exterior lighting creates a night time atmosphere and provides safety for users, increases visibility, and highlight exterior details. Wall washers, flood lights, step lights, and bollards are some of the common features for lighting up the outside of a building. Interior lighting is an integral part of the design process. It creates the atmosphere you would like visitors to experience. There are numerous types of lighting fixtures to select from including ceiling fixtures, recessed lighting, pendants, wall sconces, task lights, accent lights, and more. Lighting differences such as color, brightness, and intensity can create dramatic design features in a room. The right lighting in a space is important for the user experience, and experience often starts even before they enter a building. Therefore it is essential to evaluate how a building looks from the outside in order to make sure it is inviting and functional. Light creates atmosphere and ambience and is an integral part of building design.