car

In a sentence

• Je vais à la bibliothèque, car j'adore lire.

  I am going to the library, because I love to read.

  In this sentence, 'car' is used as a conjunction meaning 'because', providing a reason for the preceding statement.

• Le siège de la voiture est cassé.

  The seat of the car is broken.

  Here, 'car' is a noun referring to a vehicle, indicating the subject of the statement.

• Il a hésité avant de répondre, car la question était difficile.

  He hesitated before answering, because the question was difficult.

  Again, 'car' is used meaning 'because', offering an explanation for the described action.