Conceptual art is based on the concept that art may exist solely as an idea and not in the physical realm. For advocates of this movement, the idea of a work matters more than its physical identity. Conceptual art was intended to convey a concept to the viewer, rejecting the importance of the creator or a talent in the traditional art forms such as painting and sculpture. Works were strongly based on text, which was used as much as if not more often than imagery. Conceptual art also typically incorporates photographs, instructions, maps, and videos. The movement challenged the importance of art traditions and discredited the significance of the materials and finished product. Rather, Conceptual works were meant to be proactive and questioning to the nature of art.