Just punch in. There is a basic difference between interior designing and interior decoration. Interior designers have formal training in the field and have great deal of technical knowledge of building and structures. Interior designers work in close co-operation with the architects in planning the space. They prepare a layout of interior spaces, ventilation, drainage, electrical circuits, air-conditioning etc.
Interior designers combine technical perfection along with functionality.
Interior decorators , meanwhile, do not necessarily need any formal training in the field. Interior decoration needs a great deal of imagination, creativity and love for playing with colors and space. Interior decorators arranges the color scheme and furniture along with furnishings in a completed interior. Mostly an interior designer or decorator works as a freelancing consultant. You can also work under an Interior designer in the initial years of your career.