The part of a sentence "a brief explaining" is correct and usable in written English.
You can use it when you want to explain something in more detail. For example, "I need a brief explaining of the company's healthcare policy."
The judge, Col. Tara A. Osborn, had given Major Hasan 24 hours to submit a brief explaining the legal basis for his defense.
Google "reached out to us to see if we'd be interested in the second version" of Project Re:Brief, Mr. Osborne said, "and it was a bit of a beauty pageant; we had to write a brief" explaining why Volkswagen ought to take part.
The ACLU, which represents Carpenter in the case, already filed a brief explaining its position, but it's clear that plenty of others, from tech giants to gun owners, want to add their voices to the chorus.
The case is pending before the US Supreme Court, which has asked the federal government to file a brief explaining its position on the issue.
For example, if you were writing a brief explaining the issues in your current trial to the court, you would need to file the brief with the court that the trial is in, because no other court would have jurisdiction to hear the case.
"One blogger was a Tunisian and he'd been active before the revolution, before Ben Ali left," a senior state department official said at a briefing, explaining one benefit of the workshops.
Along with the documents, the attorney general said the department is prepared to provide a briefing "explaining how the department's understanding of the facts of Fast and Furious evolved".
GCHQ realised the gravity of the problem: it could spend millions of pounds developing systems to sweep up and store vast amounts of information from these devices, but the value of this database would "weaken over time" if the material was encrypted, a briefing explained.
Later this month, in response to Freedom of Information Act lawsuits, the CIA will have to file a legal brief explaining to a court in New York why it should be permitted to eschew real transparency about the targeted killing program, while simultaneously carrying on its propagandistic campaign of officially sanctioned leaks.
A brief explainer might help the layperson here: Q What does it matter what sex the director general is or isn't?
Below, we compiled a list of some of the coolest applications developed with government data and, below that, a brief explainer about why this new initiative matters.
