This is the 5148th most frequent Dutch word.
j
The Dutch word "j" is an informal pronoun meaning "you."
The word 'je' refers to the second person singular pronoun 'you' in a casual manner.
Hoe gaat het met je?
How are you doing?
'Je' functions again as the casual form of the second person singular pronoun 'you', used in advice or instruction.
Je moet goed luisteren in de klas.
You must listen carefully in class.
Here, 'je' indicates possession and means 'your', relating to the books that belong to the person addressed.