Lighting is the use of light to achieve a practical or aesthetic effect. The practice of lighting and working with lights dates back many centuries and continues to evolve to this day. It is used in both residential and commercial spaces. Lighting can be natural or artificial. Natural lighting takes advantage of the natural sunlight that already exists or is let in through doors and windows. Artificial lighting is produced by humans through man-made fixtures such as lamps, light bulbs, and fixtures. Lighting has a variety of uses, both practical and aesthetic. It is necessary for visibility, safety and comfort in certain spaces. It also has the power to set a mood and create atmosphere in a space. Lighting can be used to highlight certain features and focus attention on specific tasks. There are many different types of lighting, including task lighting, ambient lighting, accent lighting, and decorative lighting. Different types of lighting are used in different situations and require different lighting fixtures designed to accommodate the style and function of the space. Creating the right lighting design for a space requires knowledge of both interior design and lighting. There are a variety of factors to consider, such as size, function, mood, and style of the space. The available natural and artificial light sources must also be taken into account and the design must account for both the task needs and the aesthetics of the space. No matter what the purpose or type of space, lighting is essential and it has the power to transform a space. With the right design and a careful selection of fixtures, any space can be brought to life.