Are you wondering what the difference between Interior Design and Interior Architecture is? The difference is subject to ongoing debate. Here at Columbia College we use the term to provide differentiation from Interior Decoration, which typically applies furniture and finishes to existing interior spaces. We interpret Interior Architecture to be a holistic three-dimensional response to a client's environmental requirements. Professional graduating from our program need to be cognizant of building systems (structural, mechanical etc.) in addition to knowledge about furniture, lighting and material selection in service of the health, safety and welfare of the user.