Lighting, or illumination, is a fundamental part of our lives. It helps to create an atmosphere, allowing people to feel comfortable and secure in a space. Moreover, artificial lighting is an essential factor for performing certain tasks, such as reading, writing, or playing music. Lighting design is the process of strategizing the illumination of spaces. To create effective lighting in any room, it is important to consider the layout of the particular space and purpose it serves. For instance, the lighting of a library should be optimized in order to maximize the efficiency of light for reading. When choosing the best type of lighting for a space, there are a few different options to consider. Incandescent bulbs, LED lighting, fluorescent lighting, halogen lighting, and natural lighting, just to name a few. Each of these types of light sources has particular benefits and drawbacks. Furthermore, it is important to recognize that different light sources can alter the feeling of a space. Additionally, it is important to keep in mind that lighting should be used responsibly and energy efficient. This means choosing lighting that is the optimal brightness level and that only uses the amount of energy necessary. For this, it is important to choose the correct wattage and type of bulb that most efficiently fits the needs of a space. In conclusion, Lighting is an essential element of design which not only provides security and comfort, but also affects how people perceive a space. Therefore, choosing the appropriate type of lighting is key in order to create the desired atmosphere in any room. Further, responsible and energy efficient use of lighting is not only beneficial for the environment, but also for our wallets.