Indirect object pronouns - me, te, le, les, nos

These pronouns tell "to whom" or "for whom" - For example, Yo le dio un regalo a Juan. The "le" refers to Juan. If you and the speaker both know you are talking about Juan, you could just say" Le dio un regalo." The plural for is les: Yo les dio regalos a mis hermanas. See p. 317 in Buen Viaje I for help if you need it.