make (something) clear (to one)
To make something easier to comprehend; to help one understand something. I try to use illustrations to make these more abstract concepts clear. My job as a legal consultant is to make these complex documents clear to my clients. Let me make one thing perfectly clear—if I ever catch you treating my son poorly, I will make you regret the day you were born.
make something clear to someone
to help someone understand something. Let me help make the contract clear to you. I want to make it clear to you, so ask questions if you want.