The phrase "a broad opening" is correct and usable in written English.
It can be used to describe a wide gap or entrance, often in a physical or metaphorical context.
Example: "The cave had a broad opening that allowed sunlight to pour in, illuminating the dark interior."
Alternatives: "a wide entrance" or "a spacious gap."
We stopped at a broad opening, high up.
But a broad opening to new manufacturing, for example, would be different.
From a broad opening theme that sounded like a viol consort, then a wheezy harmonium, the work slowly moved through sequences of development and contrast, its complexities thoroughly disguised by affectless surfaces.
The Senate inquiry relates to the unrest on Manus Island in February, but Campbell gave a broad opening statement in which he discussed Operation Sovereign Borders more broadly and made significant references to asylum-seeker boat arrivals and "on-water" operations.
It must be said that many mainstream journalists have themselves provided the NRA with a broad opening to criticize their profession.
In keeping with narrative methodology, women were asked a broad opening question: "I'd like to find out about what being pregnant and having a baby was like for you.
One option would be to turn the commitment to raise funds through privatisation into a broader opening of the Greek economy.
Some proponents say Buddha's arrival in psychotherapy signals a broader opening in the culture at large — a way to access deeper healing, a hidden path revealed.
Egypt has historically resisted a broader opening of the crossing, and Israel enforces its embargo on the other sides of Gaza, fearing that it would face an influx of refugees or end up with responsibility for the impoverished enclave.
By the same token, hardliners in Iran are pushing back against any suggestion that the nuclear deal will promote a broader opening with the West — making any photo ops showing the consumption of alcohol and non-halal meats out of the question.
