Interior design is the art and science of enhancing the interior of a building or space to achieve a healthier and more aesthetically pleasing environment for the people using it. It involves the use of various design elements such as color, texture, lighting, and furniture to create a functional and attractive space.

Interior designers work to create spaces that meet the needs and preferences of their clients while also incorporating design principles that optimize the use of space. They consider factors such as the purpose of the space, the style of the building or architecture, and the desired mood or atmosphere.

Some of the key areas of focus in interior design include space planning, color and materials selection, lighting design, and furniture selection and placement. Interior designers also consider factors such as acoustics, ergonomics, and sustainability in their designs.

Overall, interior design plays an important role in creating functional and aesthetically pleasing spaces for people to live, work, and play in.