Very popular item in a college or university festival where youngsters get to display their dramatic range. The performer essays several roles in a story, and is expected communicate a variety of character traits and emotions without changing costume even once. A good actor can successfully engage and entertain you despite the limitations.
Many future stars have been unknow, but great monoact artists in their fledgling years.
"She is very talented. Does dance, monoact also. Shreya, do one and show?"