Interior designers may perform some or all of the following activities, among other duties and responsibilities:

Research and analyze client's goals and requirements, along with the developing the design documents, drawings and diagrams that outline those needs, Formulate the preliminary space plans and the two- and three-dimensional design concept studies and sketches that integrate the client's needs based on knowledge of interior design principles and theories of human behavior,Confirm that preliminary space plans and design concepts are considered safe, functional, aesthetically appropriate, in addition to confirming that these elements meet all public health, safety and welfare requirements, including code, accessibility, environmental and sustainability guidelines, Select colors, materials and finishes to appropriately convey the design concept and to meet socio-psychological, functional, maintenance, life-cycle performance, environmental and safety requirements ,Select and specify the furniture, fixtures, equipment and millwork that are aligned with the design concept, including layout drawings and detailed product description