Meaning : A transition (in literary or theatrical works or films) to an earlier event or scene that interrupts the normal chronological development of the story.
A transition (in literary or theatrical works or films) to a later event or scene that interrupts the normal chronological development of the story.
flash-forwardMeaning : An unexpected but vivid recurrence of a past experience (especially a recurrence of the effects of an hallucinogenic drug taken much earlier).