4. Difference and Variation
Although motifs may be repeated, those motifs will seldom be repeated exactly. Variation will appear. Characters may have different desires that motivate the action of the narrative. Settings may be opposed. Voices may differ, as may color, space (claustrophobic vs. wide open), number, music quality, pace, etc.
Its important to note that differences will not always be simple oppositions of one thing to another. Some films may present a gradation of differences, where characters, for example, fall on different places on a certain line of desire and action.