What is a Montage?

A montage is a sequence of pictures/shots that depicts a progress of time. An example from the film, Psycho, shows Marion Crane seemingly driving away from some unknown force. It takes her days in the plot, but minutes in film time to get to the Bates Motel where she eventually meets an untimely death. Another example is Disney's The Muppets, where Walter, Gary, Mary, and Kermit go around the country and across the Atlantic to find the rest of the Muppet gang in a montage.