The phrase "a broader stage" is correct and usable in written English.
It can be used when referring to a larger or more expansive context, setting, or platform for an event, performance, or situation.
Example: "The conference provided a broader stage for discussing global issues that affect us all."
Alternatives: "a larger platform" or "a wider arena".
Today, her work commands a broader stage.
Now it appears that he is beginning to play on a broader stage again.
Baumbach and Gerwig, like Parker in his time, bring their emotions, moods, and methods on to a broader stage.
"Dan had made his money, and I think he wanted to make a contribution on a broader stage".
If Neymar remains – for those not seduced by Brazilian domestic exploits – all potential, Rooney at the same age had achieved more on a broader stage.
To give him a broader stage to operate from outside of the region?" Mr. Arafat gained considerable stature during his many years in exile in Lebanon and Tunis.
Bomka directed them to a table near a broad stage that boasted a gleaming white piano.
But it went considerably smoother than the other times he has taken to a broad stage.
Data-rich manufacturing environments provide a broad stage on which advanced data analytics play leading roles in creating manufacturing intelligence to support operational efficiency and process innovation.
The general stood on a broad stage, flanked by Egypt's top Muslim and Christian clerics as well as a spectrum of political leaders including Mohamed ElBaradei, the Nobel Prize-winning diplomat and liberal icon, and Galal Morra, a prominent Islamist ultraconservative, or Salafi, all of whom endorsed the takeover.
Although most of the action in "All the Old Knives," like "The Song of Lunch," occurs in a restaurant, Steinhauer expertly navigates on a much broader stage with an aplomb reminiscent of the best of Deighton and John Le Carré.
