What are the two signs of thespian called and why?

The two signs of a thespian are the masks of comedy and tragedy, often referred to as the "Comedy and Tragedy Masks." These symbols represent the dual nature of theatrical performance, highlighting the spectrum of human emotions depicted in drama. The comedy mask signifies joy and laughter, while the tragedy mask embodies sorrow and conflict, illustrating the essential themes of storytelling and the emotional experiences conveyed through theater.