Indirect Objects
An Indirect object shows to or for whom an action is done, said, given. Indirect objects (IO) are in the Dative case.
In English Indirect objects may or may not use a preposition.
E.G.: The king gave the peasants money. OR The king gave money to the peasants. In Either instance, peasants is the indirect object.
Examples in Latin:
Femina donum puero dat. The woman gives the gift to the boy. OR the woman gives the boy a gift.
Legatus nuntium reginae nuntiabat. The lieutenant was announcing the message to the queen.