The phrase "a narrow area" is correct and usable in written English.
It can be used to describe a specific, limited space or region that is not wide or broad.
Example: "The hikers found a narrow area between the cliffs where they could safely pass through."
Alternatives: "a tight space" or "a confined region".
The measure represents a narrow area of compromise in a much wider disagreement over laws governing drunken driving.
Behind the head of the rib is a narrow area known as the neck; the remainder is called the shaft.
He has been charged with putting classical learning and moral worthiness before art, and of tackling only a narrow area of subjects in his plays.
Lawyers for those who sell their own properties do more of what he calls "hand-holding," but they have a narrow area of expertise.
Mr. Choong said that the second attack was more alarming, because it took place in a narrow area of the strait where ships have little room to maneuver and where attacks had been uncommon.
Sitting at the dining room table wedged into a narrow area facing the kitchen on a recent evening with his parents and brother, he said it was the message more than the move that reduced him to tears.
But if the tendency to fixate on a narrow area of interest is sometimes considered a drawback, it may also explain one couple's single-minded determination to keep trying.
"We want the advertising to enhance what the vertical is about," said Marjorie W. Martay, the executive vice president for sales and marketing, using a term for in-depth coverage of a narrow area.
Mr. Cohen acknowledged for the first time that Mr. Deutch had maintained access to "some top-secret information in terms of a narrow area of technology," even though the Central Intelligence Agency revoked his clearances at the agency last summer because he had kept classified documents on a home computer.
Modern taxonomy provisionally accepts three species of goral: the red goral (Naemorhedus baileyi), which lives in a narrow area between Tibet, Myanmar, and India; the long-tailed goral (N. caudatus), which ranges from southeast Asia up to the Sikhote-Alin mountains of eastern Siberia; and the Himalayan goral (N. goral), which occurs over the entire Himalayan region.
Some of them may always have been fools; some of them are hedgehogs, who know a lot about a narrow area but are ignorant elsewhere (and are, in many cases, so ignorant that they don't know they're ignorant — a variant on Dunning-Kruger).
