What Is the Difference Between a Mover and a Migrant

What is the difference between a mover and a migrant?

A) Everyone who changes their residence is a migrant.
B) In the process of residential change, a mover moves between states while a migrant moves between nations.
C) A mover changes residences within a county while a migrant changes residences and crosses a political boundary in doing so.
D) A migrant changes residences according to the seasons (e.g., the Winter, the Summer, etc.) while a migrant's residential change is not based on the seasons.
E) In the process of residential change, a migrant moves from one town to another town while a mover stays in the same town.