Call out - Idioms by The Free Dictionary
https://idioms.thefreedictionary.com/call+outcall out 1. To announce something. In this usage, a noun or pronoun can be used between "call" and "out." Once everyone is seated, the host will call out the winners' names. If you've got Bingo, call it out! 2. To shout in an attempt to draw attention to oneself. I called out to my best friend when I saw her walking down the street, but she had ...
Callout - Wikipedia
https://en.wikipedia.org/wiki/CalloutIn music, call-out hooks are small portions of a song, usually seven to ten seconds of a song's hook used by radio stations "in market research to assist in gauging the popularity of a song by the recognizability of its hook". In the fine arts, a call-out is a notice calling for response from artists to contribute, apply or enter various proposed events, by curators and/or galleries.