Final answer:
Marina Abramovic's 'The Artist is Present' is a significant work within Conceptual and Performance Art, emphasizing silent communication through shared glances between the artist and visitors at MoMA.
Step-by-step explanation:
Marina Abramovic's performance piece, The Artist is Present, showcased a powerful exploration of silent communication and the intimate exchange of energy between artist and audience. The work was part of her larger influence on Conceptual and Performance Art, building on the legacy of other early concept artists and pushing the boundaries between art and life. In The Artist is Present, Abramovic shared silent stares with individual visitors at the Museum of Modern Art (MoMA), transforming the act of looking into a shared performance that unfolds in real space and real time.