Separation. The most general definition I can think of people or items being made to be away from each other.
Some examples are if a person moves to a new town, they would be separated from their old friends. Some recipes make you separate the egg yolk from the egg white. When sorting clothes, a person would separate their clean clothes from their dirty clothes. In school activities, a teacher might separate kids into small groups. Sometimes separation can be by choice, like oil refusing to mix with water, a person leaving the room to get away from someone who upset them and in English a divorced couple are sometimes called separated.
I hope this helps.