This is the 6385th most frequent German word.
déi
"Déi" is Luxembourgish, not German, and means "those" or "the ones."
Déi is a relative pronoun referring to the subject 'students'.
Déi Schüler, déi fleißig lernen, bekommen gute Noten.
The students who study diligently receive good grades.
Déi functions as a demonstrative pronoun indicating specific apples.
Ich nehme déi Äpfel, déi auf dem Tisch liegen.
I take the apples that are lying on the table.
Déi is used to refer to 'those' in the context of preference.