Immigration-out, Immigration-in

The concept of Refugee is a pseudo-concept since the whole world is one. Every human being can live where he wants. The world is one Nation State without any political power.
What are the borders Southwards between Egypt and Sudan linked by the River-Nile? What are the borders Westwards between Egypt and Libya, Tunisia, Algeria, Morocco, Mauritania linked by the Northern-Desert? What are the borders north-east wards between Egypt and Greater Syria (Palestine, Jordan, Syria, Lebanon)? What are the borders between Greater Syria westwards and Iraq? What ate the borders between Iraq down-wards and Kuwait which cause the American invasion to Iraq in 2003? What are the borders between Gulf-States, Bahrain, Qatar linked by the Gulf water? What are the borders between Saudi Arabia, Oman, Yemen linked by the Semi-PeninsulaDesert? Natural borders proceeds political power.
Refugee is a sub-concept of the concept of borders. No one can be refugee if borders do not exist. Refugee as well immigration are expelling out a citizen from his hometown to another place in or out his homeland. Refugee is willing while immigration is unwilling. Immigration is expulsion fare away. Refugee is only expulsion that near. The Arab leaving his homeland to USA is an immigrant forced to leave Syria to Lebanon, Jordan or Egypt is a Refugee.