What is the audience area often referred to in a theater?

The audience area in a theater is commonly referred to as the "house." This term encompasses all the seating areas where the audience gathers to watch a performance. The "house" is designed to enhance the viewing and listening experience, as it is the space where the audience connects with the performance happening on stage.

Given this understanding, the other terms can be distinguished as follows: the "stage" is where the actors perform; "backstage" refers to the areas behind the scenes that are not visible to the audience, where actors and crew prepare; and the "orchestra pit" is the space in front of the stage where musicians typically perform during a show. Each of these areas serves a distinct function in the overall theater experience, while the "house" specifically pertains to the audience's area.