“Ever since we’ve had the capability, humanity has been desperately trying to make contact with other life in the universe. While we’ve been beaming out information passively through our television and radio broadcasts, we’ve also sent more intentional messages. Looking at these messages tells us how humanity wants to think of itself and what kind of relationship we hope to have with alien life.”
https://bigthink.com/surprising-science/top-5-messages-to-aliens?rebelltitem=2#rebelltitem2