The phrase "a more central issue" is correct and usable in written English.
It can be used when discussing a topic that is more important or fundamental than others in a given context.
Example: "While there are many factors to consider, a more central issue is the impact of climate change on our environment."
Alternatives: "a more fundamental concern" or "a more significant matter".
But sooner or later there will have to be a ruling on a more central issue: Do exiting ministers have the right to make off with their paperwork?
Michael Jonathan Grinfeld, an associate professor at the University of Missouri's journalism school, offered this provocative view: I remember a time when "the war on poverty" was a more central issue challenging the American conscience than the recent "wars" we've fought.
Fiorina's record as CEO of Hewlett-Packard will likely be a more central issue to her campaign than her stance on social issues, said Whelan.
"For Democrats, health care is a much more central issue," said David L. Friedman, an Obama fund-raiser who created a chain of nursing homes in Maine.
As innovation becomes an ever more central issue for the development of firms and world economies, so the need for improved assessments of innovative performance grows more urgent.
Stone added that he thought Mueller's primary investigative focus was an obstruction case rather than the more central issue of collusion, which presumably would be the greater risk to Manafort. .
One such consequence is that ED-related issues are likely to play a more central role to these individuals' sense of self with correspondingly global repercussions.
The more central the issue is to oneself, the greater pressure one exerts on the partner to change.
That critical payment, which Selig might have approved for a team with less debt or an owner he trusted more, looks to be a central issue in a lawsuit by the Dodgers.
We defined "theme" as qualitative data grouped around a central issue - a more limited and concrete category than is often used in qualitative research.
This year's Republican convention is likely to produce its own cloud of litigation, and once again, both the behavior of demonstrators and the reliability of police intelligence could be a central issue: more than 800 people were arrested in St .Paul and Minneapolis over the last week, and dozens of others were detained, handcuffed, photographed and searched without arrest.
