Lighting refers to artificial luminescence, which is the controlled use of light to provide illumination for specific purposes. Lighting is an important factor in any environment and can create ambience, visibility and aesthetic beauty to any area. It can be used to accentuate and enhance spaces for many different reasons. Indoor lighting is an intricate process which requires knowledge and skill. In a residential environment, fixtures such as lamps and chandeliers can be used to create a variety of different lighting effects including accent lighting, task lighting and general illumination. In a retail or commercial environment, more specific lighting techniques can be utilized to help create an attractive atmosphere for customers and employees. The use of recessed lighting, wall sconces and spotlights are often used to highlight displays and create defined areas. Outdoor lighting is becoming increasingly popular in modern properties. It is a great way to extend living spaces and provide usable outdoor area at night time. Low voltage lighting and solar powered lighting systems are the most common and these lights can be used to create pathways, illuminating garden features or for security purposes. Lighting is a design tool used to create an inviting atmosphere in any space. With careful planning and consideration, a range of attractive lighting options can be used to enhance any environment.