one of the four dimensions of editing from Bordwell/Thompson's Film Art (pp. 221-232): graphic editing rhythmic editing spatial editing temporal editing
examples
montage mash-up
A 1-2 minute video using either :
 instructions
or
one of the five methods of montage from Sergei Eisenstein's “The Fourth Dimension in Cinema”:
metric montage rhythmic montage tonal montage overtonal montage intellectual montage
resources