By representing purgatory, the screen highlights the human need for salvation. This is visually expressed by the crucifix hanging on the trumeau. Indeed, one can only cross the screen through the body of Christ, illustrating the act of expiation needed to progress from purgatory to Heaven. The screen can be seen as encouraging the believer to follow on Christ's path, and the crossing of the screen can be interpreted as the apogee of one's physical form, as Christ's crucifixion was the apogee of his physical form, which he needed to sacrify for humanity's sins. The screen therefore becomes the visual representation of John 14:6.1 It also expresses the assimilation of one's body with Christ's, as it enables one to replicate his sufferings. When
