Prepositional phrase with two objects

If there are two objects in a sentence, the normal word order is: person - thing

Ex: She told me a story.

If the thing is a pronoun, it stands behind the verb.

Ex: I must give it to her.

If we want to emphasize the person, we put the person after the thing.

Ex: Let's write the letter to John in California.

Using the words describe, explain, report, say - we always put the person after the thing. 

 Ex: explain this rule to you.

Prepositional phrase with TO