Lighting, a noun which can be seen everywhere in our everyday lives, is of great importance in the modern world. By definition, lighting is the process of adding light in order to provide illumination and visibility. Lighting can also be used to serve many different purposes. For example, in the theatre, different lighting is used to enhance dramatic effects and create atmosphere. On the other hand, in a workplace, proper lighting can improve working efficiency. In a residential space, proper lighting can create a cozy and warm environment. Lighting has undergone tremendous development over the years. In the early days, people used fire to provide illumination, and later, candles and oil lamps. With the development of electricity, electric lighting has emerged and electric lamps become more and more sophisticated. Nowadays, many modern residential homes feature LED lighting which is energy efficient and effective. Lighting is not only about illuminating but also about creating an atmosphere. With the development of technology, lighting has become an important element in interior design and can work together with different elements to create a unique atmosphere. In conclusion, lighting is of great importance in today's world. Not only is it necessary for visibility and illumination, but it also plays an important role in creating atmosphere in different spaces and environments.