right on the button

"I landed that right on the button," Azim, 20, told Sky Sports.

The following round, the Irishman produced his third knockdown of the contest, landing a ferocious back hand right on the button.

When Higgins writes about facts and situations I’m familiar with, I can attest he’s right on the button, every time.

But I hit every note, right on the button, and people come over and pat me on the back.

How powerful would it be for Dylan to suddenly just reemerge with a musical statement that's right on the button?