The discussion focuses on how the edge of a Möbius strip can be visualized when projected onto a two-dimensional plane. It highlights that any drawing on a flat screen is inherently a 2D projection, requiring imagination to perceive it in three dimensions. Participants suggest physically creating a Möbius strip by gluing edges of a hollow square, emphasizing the importance of flipping the vertices during the process. The conversation also notes that both the cylinder and the Möbius strip are quotient spaces derived from the square by appropriately identifying its sides. Understanding these concepts enhances the comprehension of the Möbius strip's unique properties in a 2D context.