heille

In a sentence

• Annoin lahjan heille.

  I gave a gift to them.

  The word 'heille' functions here as an indirect object, indicating the recipients of the gift.

• Hän puhui ystävällisesti heille.

  She spoke kindly to them.

  In this sentence, 'heille' acts as a dative object, showing the individuals being addressed.

• Kaikki heistä tulivat paikalle.

  All of them showed up.

  Although 'heille' is not directly used here, it is related in meaning; 'heille' often denotes an action towards 'he' (they) in the dative case, whereas 'heistä' relates to 'they' as a genitive or partitive case.

• Annoin heille kirjan.

  I gave them a book.

  The word 'heille' functions as the indirect object of the verb 'anno' ('gave'), indicating 'to them'.

• Puhuin heille tärkeästä asiasta.

  I spoke to them about an important matter.

  Here, 'heille' indicates the group of people addressed ('to them') in the context of the conversation.

• Onko tämä heidän vai kuuluuko se heille?

  Is this theirs, or does it belong to them?

  'Heille' is used here to imply possession or association, meaning 'belonging to them'.