The lowercase “l” might actually be a number 1 or letter I. “1978l” could be “19781” – a code or serial number.

The film functions as a bridge for Jon’s personal growth. It represents: Intimacy over Objectification

("Spring for Sweet Brigitte"). While presented as a real 1978 adult film, it is actually a fictional creation designed specifically for the movie's narrative. This "patched" together piece of cinema serves as a critical thematic anchor, representing a more emotional and "progressive" alternative to the dehumanizing content Jon consumes throughout the story. A Narrative Contrast Throughout