The phrase "a memorandum explaining" is correct and usable in written English.
It can be used when referring to a document that provides clarification or details about a specific topic or issue.
Example: "I have prepared a memorandum explaining the new policy changes for our department."
Alternatives: "a note detailing" or "a document clarifying".
Last week, Mr. McGreevey's transition office released a memorandum explaining exactly how his name should appear.
Mr. Candelaria disclosed the plea bargain offer in a memorandum explaining why the state was seeking to dismiss the murder count in connection with the death of the boy's father.
Florida's Democratic attorney general, Robert A. Butterworth, issued a memorandum explaining that military ballots did not necessarily need a postmark to be counted: they were legal, he said, as long as they either had a postmark or a dated signature.
He said the process was unfair, asking, "How can you have a hearing in which the trier of fact is the petitioner?" In a memorandum explaining his decision, Mr. Mills cited "serious deficiencies" in the management of the school district, including a high dropout rate and a failure to meet performance standards.
By the time the court issued its order, the woman had been informed that she was eligible to vote and the county had released a detailed memorandum explaining the law to election and corrections officials.
The media reports indicate that Department of Justice attorneys are recommending that no criminal charges be filed against Wilson and are preparing a legal memorandum explaining why.
This, after all, is a White House that has steadfastly tried to keep "enemy combatants" beyond the purview of American courts, whose defence secretary has publicly declared that the Geneva Conventions do not apply to the battle against al-Qaeda and whose Justice Department once produced an infamous memorandum explaining how torture was part of the president's war powers.
In 2004, Scalia issued a 21-page memorandum explaining why a duck-hunting foray with Cheney did not require the justice's recusal from a case to which Cheney was a party.
"Now we understand how much more is needed to be able to meet all the physical and psychological needs of elephants in captivity, especially in a cold climate," Kagan wrote in memorandum explaining the decision.
The document below, the first of two expected, is the Justice Department's legal memorandum explaining why the government believes it is lawful under a provision of the Patriot Act known as Section 215 for the National Security Agency to collect and store logs of every phone call dialed or received in the United States.
WASHINGTON, Aug. 3 - He produced a torrent of memorandums explaining why the Reagan administration was right to oppose new provisions in the Voting Rights Act that had just passed the House with an overwhelming majority.
