Interior design is the art and science of enhancing the interior of a space to achieve a healthier and more aesthetically pleasing environment. It involves the careful selection of colors, furniture, fixtures, and materials to create a cohesive look that reflects the needs and preferences of the occupants. Professionals in this field, known as interior designers, often work on residential, commercial, or institutional projects. They consider factors such as functionality, safety, and sustainability while also incorporating elements like lighting, space planning, and accessibility to ensure that the space is both beautiful and practical.