"Clear message" refers to a message or idea that is easy to understand and has no confusion. It communicates information clearly and effectively without any doubts or misunderstandings. Full definition
Both cars send clear messages from 50 yards away. (automobilemag.com)
So what you get in the flow of the story is a very clear message of things being restored versus one reality being exchanged for another. (relevantmagazine.com)
The loud and clear message from the vast majority of health care providers is that breastfeeding is best for the development of your baby. (americanpregnancy.org)