Definition
To be 'on air' means actively broadcasting live content via radio or television 📺. It signifies a state of being publicly transmitted to an audience in real-time. This includes presenting news, hosting a show, or playing music for listeners or viewers. 'On air' contrasts with being 'off air,' where no content is being transmitted. It's like performing on a stage where your actions are immediately visible to everyone. It highlights the immediacy and reach of broadcast media.