scope
of 'collage'
collage
papier collé or cut outs
photomontage
superimposition
montage
assemblage
found object

Raoul Hausmann. Dada siegt. 1920.

Sonia Delaunay Zenith Clock Poster. 1913-14
Collage ...
"... involves
the pasting together of various materials on a flat surface"
(Waldman)

'Randelli' (Robert
Randall and Frank Bandinelli)
Expressive Space. Video.
Montage ...
"... the
art of combining collected and processed images"
(Larbalestier)

Book cover, 1932
Photomontage ...
"... the
art of combining (one or
more) photographic images
(with text, drawing, etc.)"

Alexander Archipenko Médrano II . 1913-14

Haim Steinbach. Ultra Red No 1, 1986.
Assemblage ...
"involves
joining ... materials
that project out from the
surface of the plane"
(Waldman)
Found object...
"usually
a common mass-produced item selected by the artist, which might be altered
or combined with other objects"
(Waldman)
a technical definition of 'collage':
"...
the (re-)use of material that
already has a meaning"

Wanda Wulz. Me + Cat. 1932