on task
Engaged in an activity or job.
Getting new information through Web-surfing almost always feels more rewarding than having to generate new information in the work that is in front of us. It therefore takes increasing amounts of self-discipline to stay on task. Daniel Levitin
I don't know if that's a real request or him just needling the press, knowing that you guys were gonna get outraged by it. [Trump's] pretty good at getting everybody fired up, and he's been doing it for a while now, and the media responded right on task. Marco Rubio