The Southern Cone refers to a geographic region in South America that includes Argentina, Chile, Uruguay, Paraguay, and southern Brazil. However, there are alternative names that can be used to refer to this region. One common synonym is the "Great South," which is often used in historical context. Another is the "Southern Cone of Latin America," which emphasizes the regional and cultural ties of the countries in the area. Additionally, "South Cone" is sometimes used as an abbreviated version of the name. While these terms are interchangeable and refer to the same geographic area, their usage may depend on the context or perspective of the speaker or writer.