The document provides an overview of several 20th century art movements including Conceptualism and Activist Art. It summarizes Conceptual Art as prioritizing ideas over physical objects, with the idea itself considered the work of art. Performance and body art are described as forms that use the artist's body as a medium. Feminist art emerged in the late 1960s/early 1970s as a revolutionary movement addressing gender issues not just a style. Key artists mentioned include Joseph Kosuth, Bruce Nauman, Nam June Paik, Chris Burden, Carolee Schneemann and Judy Chicago.