The document discusses various types and patterns of human migration. It describes intercontinental, intracontinental, and rural-to-urban migrations. It also defines forced, reluctant, and voluntary migrations and discusses factors that push or pull people to migrate such as jobs, living conditions, poverty, and conflict. Common migration patterns like step migration and chain migration are explained. The document concludes by outlining Ravenstein's "laws of migration" from the 1870s including that most migrations are short distance and rural-to-urban.