From Longman Dictionary of Contemporary Englishsend (somebody) a message/signalsend (somebody) a message/signalif something that someone does or says sends a particular message, it has that meaning Advertising sends the message that you have to be thin to be successful. → send
Examples from the Corpus
send (somebody) a message/signal• Turned out she wanted to know if Uncle Adam had been sending any radio messages.• Would I care to send in a message?• Provided you both have Net access, it's as quick, easy and cheap as sending a message across the street.• But finding a way to send a message faster than light struck me as more straight forward.• A cellular phone is really a mobile radio system that sends a signal out over public airwaves.• And they coincided with the bulges in the geoid, which sent a clear message to geophysicists.• For the 11 countries inside the euro, it sends a positive signal to the financial markets.• And sometimes they send e-mail messages to Walsh and Pulver, updating the information on the size of their share-holdings. 