Human migration refers to the movement of people from one place to another for various reasons. However, there are alternative terms that can be used to describe this phenomenon, including human mobility, population displacement, relocation, immigration, emigration, and population transfer. Each of these synonyms emphasizes a different aspect of the movement of people. Human mobility, for example, includes both voluntary and involuntary movements, while population displacement emphasizes the traumatic nature of forced relocation. Immigration and emigration focus on the movement across national borders, while population transfer refers specifically to the forced movement of people by a government or military. Overall, these synonyms all capture different facets of this complex and important aspect of human history and society.