она

In a sentence

• Она је дошла на време.

  She arrived on time.

  Here, 'она' is used as a third person singular feminine pronoun used for referring to a specific female subject.

• Она књига је веома занимљива.

  That book is very interesting.

  Here, 'она' is used as a demonstrative pronoun meaning 'that,' describing a specific book at a distance from the speaker.

• Размишљам о њој, а не о онај.

  I'm thinking about her, not about that one.

  Here, 'онај' is a base form, and 'она' could mistakenly seem relevant, but it's essential to differentiate the forms; in this case 'она' isn't directly used, but explaining this context helps with understanding.