What is "metacinema"

Metacinema, also meta-cinema, analogous to metafiction in literature, is a mode of filmmaking in which the film informs the audience that they are watching a work of fiction. Metacinema often references its own production, working against narrative conventions that aim to maintain the audience's suspension of disbelief. Elements of metacinema includes scenes where characters discuss the making of the film or where production equipment and facilities are shown.