Street theater, also known as guerrilla theater, is a form of theatrical performance that takes place in public spaces. It often involves improvisation, political and social themes, and audience participation. Synonyms for street theater include guerrilla performance, public performance, outdoor theater, sidewalk theater, and pavement theater. These terms reflect the informal, impromptu nature of street theater and its focus on engaging with audiences in non-traditional settings. Street theater has been used as a tool for activism and social change around the world, from the Civil Rights movement in the US to protests against authoritarian regimes in Latin America and Asia. It remains a vibrant and important form of creative expression.