1. Homework/Assignments: This is the most common meaning, especially in school settings. "Faire ses devoirs" means "to do one's homework."
2. Duties/Responsibilities: This meaning is more formal and often used in a broader sense. "Devoirs envers sa famille" means "duties towards one's family."
It's helpful to look at the surrounding words and the context of the sentence to determine the precise meaning of "devoirs".