Sentence:  When wanting to show intimacy with the audience, one will advance in this direction. It is known in acting as “breaking the <WSD>fifth wall</WSD>” and is when actor's may make comments, or assides, sharing their internal process with the audience, as if stepping out of the world created on the stage to join with them on an intimate basis. 
Meaning of the word marked with <WSD> tags:  The division between the fictional world depicted, and the actual actors, props, etc.