-Site-specific, exploring space and time within given parameters. Taking cues from Dada, Assemblage, Minimalism, and Conceptualism.
-Resisting definition of art as "permament." Often the work (a combo of objects or effects) is displayed and subsequently dismantled, leaving documentation as its only trace. Artists use installation to deal with their own thematic concerns, making their choice of included objects or effects particularly relevant.
-Even within an institution--museum or gallery space--such work is atypical because its little (or absent) commercial value.
Installation art is one of the reigning mediums in contemporary art.