Social concept of displaced immigrants

Generally speaking, immigrants refer to people who have settled permanently in a certain area abroad.

Migration is a general term for migration activities between different regions. As a noun, it is a person or a collection of people, that is, a collection of floating population. Immigration, as a gerund, refers to the migration of population. Immigration is not necessarily accompanied by nationality change, but it includes migration and nationality change.

Immigration is a common phenomenon in human society, which includes the concepts of domestic immigration and international immigration.