Explain how wilder directly inserted his theme for the audience in our town

The Stage Manager is Wilder's unique, multi-purpose invention — a part which he himself played on the stage many times. The Stage Manager functions in opposition to the traditional attempt of drama to convince the audience that it is a part of the action onstage. Instead, Wilder has the Stage Manager come to the edge of the stage to remind the audience directly that they are viewers, not participants.

Explanation:

in paragraph 6 of "sinners in the hands of an angry god" by jonathan edwards, he talks about how doing good things alone will not save men from going to hell because they're at the mercy of the will of god. "spiritual reform" provides men with a false sense of safety.