Meanings
in a short while (in the near future, but not more than a few hours)
afterwards, later (after something has finished)
So hatte Dorothee über ihr Leben entschieden. Denn was nachher daraus wurde, war ja nur die weitere Folge dieses Entschlusses.So Dorothee had decided her future life. Because what became of it later, was only the further consequence of this decision.
Examples
GermanEnglish
Darf ich nachher anrufen?May I call later?
Ich muß Schluß machen. Ruf nachher noch mal an!I have to go. Phone me later.