What does celluloid world means?

The term "celluloid world" typically refers to the realm of filmmaking and cinema, particularly during the early to mid-20th century when celluloid film was the primary medium for capturing and projecting motion pictures. It evokes a sense of nostalgia for the artistry and craftsmanship involved in traditional filmmaking, highlighting the cultural significance of cinema in shaping narratives and experiences. The phrase can also imply a certain artificiality or constructed nature of the cinematic experience, contrasting the real world with the imaginative worlds created on screen.