An introduction to the richness and diversity of the National Gallery of Canada's contemporary art collection, this video features works by Canadian and international artists from the 1970's through to the present. Organized into nine easy-to-use sections, this wide-ranging video provides personal insights into why artists create and looks at the range of materials they use and the effects of photography and new technologies on the way they work. What's This? also examines the role that language and history have played in shaping the art of Canada's First Nations.