The "theatrical canon" refers to a collection of plays and performances that are widely regarded as essential or influential in the field of theater. This canon often includes works by notable playwrights such as William Shakespeare, Tennessee Williams, and Arthur Miller, which have shaped the art form and are frequently studied and performed. Theatrical canon can vary by culture and time period, reflecting societal values and artistic trends. It serves as a foundation for theater education and appreciation, guiding audiences and practitioners in understanding significant works that have impacted the evolution of drama and performance art.