The indirect object is a noun phrase that typically refers to the recipient or beneficiary of the action in a sentence.
Sentences
She gave him a book.
He bought her flowers.
Spanish: Ella le dio un libro. (She gave him a book.)
French: Il lui a acheté des fleurs. (He bought her flowers.)
Japanese: 彼女は彼に本をあげました。 (She gave him a book.)