Lighting is one of the basic elements of interior decoration, providing illumination and creating optical effects. It sets the ambience and mood of a room, enhances its aesthetic appeal and emphasizes the theme. It also affects the functionality of a space. Good lighting design can increase the flow of air in a room by reflecting light off surfaces and ceilings, creating a sense of spaciousness. By highlighting decorative elements, such as artwork, furniture, and fixtures, lighting can add depth and beauty to a room. Correctly positioned directional lighting can also help guide attention and draw the eye to specific elements. The quality and color of light can also affect the atmosphere of the room. Dimmed lights create a romantic setting, while bright lights will help create a cheerful and energetic mood. Moreover, different colors of light can be used to create different atmospheres. For instance, a yellowish light may create a warm and cozy feeling, while blue light could create a colder and more professional atmosphere. When planning the lighting in a room, the age and the needs of the occupants should be taken into consideration. For example, softer lighting might be needed in a bedroom, and brighter lighting may be required in a workspace. The position of the furniture, such as sofas, chairs, tables, and beds, should also be taken into consideration when determining the best placement of lighting. In order to create the perfect ambience in a room, the type, position, color, and quantity of lighting should be carefully considered and chosen.