Complex sentence: Speaking directly to, otherwise acknowledging or doing something to the audience through this imaginary wallis known as "breaking the fourth wall" and, as it is a penetration of a boundary normally set up or assumed by works of fiction, is considered a metafictional technique.
Split into simpler sentences: Speaking directly to, otherwise acknowledging or doing something to the audience through this imaginary wall is known as "breaking the fourth wall". As it is a penetration of a boundary normally set up or assumed by works of fiction, this is considered a metafictional technique.