Duality on plane is a concept often used in mathematics and physics to describe the existence of two seemingly opposite or complementary aspects within a system. Some common synonyms for duality on plane include polarity, complementarity, twofoldness, binarity, ambivalence, opposition, and dichotomy. These terms all describe the idea that there are two distinct but interrelated components that make up a whole. The concept of duality on plane can be applied to many different domains, from philosophy and psychology to computer science and engineering. By understanding the various synonyms for duality on plane, we can gain a deeper appreciation for the complexity of the world around us and the many ways in which different systems interact and influence one another.