Immigration law encompasses the rules and regulations governing how individuals from other countries can enter, stay, and become citizens of a particular country. In essence, it deals with the legal aspects of moving across borders and settling in a new country. Here's a breakdown of the main components:

Each country has its own set of immigration laws, which can vary widely in terms of their complexity and scope. In countries like the United States, immigration law is governed by federal statutes and regulations, while other countries may have different structures or levels of government involved in immigration matters.