jedan

In a sentence

• Jedan prijatelj mi je rekao tu priču.

  One friend told me that story.

  Here, 'jedan' functions as an adjective indicating the quantity 'one.'

• Trebam samo jedan kruh za večeru.

  I only need one loaf of bread for dinner.

  In this case, 'jedan' specifies a singular item, emphasizing necessity.

• Ovo je jedan od najboljih filmova koje sam gledao.

  This is one of the best movies I have watched.

  'Jedan' is used to indicate one instance in a specified set, emphasizing a unique selection.