Lighting is the use of light to achieve a practical or aesthetic effect in a specific environment. There are many types of lighting used for different applications. Indoor lighting is used for tasks, such as improving visibility for safety and security, providing light for reading, and providing a way to create certain moods. Outdoor lighting can be used to enhance visibility and safety at night, increase visibility when walking, and deter crime. Lighting can also be used to create ambience and atmosphere. Through proper lighting, we can make a room look larger or smaller, make a certain area look inviting, or create depth and contrast. Among the various types of lighting, there is ambient lighting, which is used to provide general illumination, task lighting, which is used to provide illumination specific to a task or area, and accent lighting, which is used to create focal points or draw attention to an area or object. Lighting is an important element in interior design, as it can make or break the visual effect of a space. Proper lighting can make small spaces look larger, influence the mood of a room, and set the tone for any activity. Lighting is also an environmental issue, as most lighting systems use electricity, which produces carbon dioxide emissions when generated. Installing LED lighting can help to reduce energy consumption and ultimately reduce emissions. In conclusion, lighting is an important issue in creating not only aesthetic effects, but also ensuring safe and healthy environments. It is important to take into consideration the different types of lighting, their applications, and their environmental implications when making lighting decisions.