I explained to him/her
Je lui ai expliqué le processus.
I explained the process to him.
Je lui ai expliqué la procédure.
I explained the procedure to him.
Je lui ai expliqué les règles.
I explained the rules to him.
Et je lui ai expliqué ça, en détail.
And I explained it to him in detail.
— L'ironie du sort, ou profitez de votre bain ! (1976)
Je lui ai expliqué les procédures.
I explained the procedures to him.
Avant j'osais pas lui dire, mais je lui ai expliqué des choses.
I didn't dare tell them before, but I explained some things to them.
— Happy Together (1997)