Lighting is an essential part of everyday life and it has many forms. From the sunlight that radiates the earth with light and warmth, to the artificial light sources that people use to make their lives easier. Lighting has been used in different different ways, from providing a clean source of energy to helping people see and enjoy beauty. Sunlight is the primary source of lighting and it comes in different forms depending on the time of day and location. Natural sunlight can improve mood and aid in concentration. It also provides essential Vitamin D for growth and development. Sunlight refracted off of reflective surfaces, like snow, water, or glass, can create specular highlights that greatly enhance a visual scene. Artificial lighting can also be used to create beautiful scenes. Many cities have visually-stunning light displays that have become a part of the local culture. LED lighting can be particularly effective for this purpose, as these lights have a long lifespan and require minimal energy. Lighting is also used for practical purposes, such as helping people see where they're going in dark places. Flashlights, camping lanterns, and streetlamps all work together to help ensure the safety of travelers. And light can be used to direct attention to certain areas, such as traffic signs or retail store displays. Lighting plays an important role in the world of today and its effects cannot be overlooked. Though it comes in many forms, it all provides undeniable benefits to the people who rely on it. Lighting allows us to see and enjoy the world in ways that we have never seen before and will continue to be a necessary part of our lives.