The phrase "a narrow area of" is correct and usable in written English.
It can be used to describe a specific, limited space or scope within a broader context.
Example: "The research focused on a narrow area of study, specifically the effects of climate change on coastal ecosystems."
Alternatives: "a limited scope of" or "a confined region of".
Legal encyclopedias can focus on a narrow area of law, or be quite broad.
The measure represents a narrow area of compromise in a much wider disagreement over laws governing drunken driving.
Lawyers, often expert in a narrow area of law, simply cannot know the myriad collateral consequences of all possible charges.
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.
Last year the festival took to heart some of the complaints about sprawl — in terms of both offerings and location — and shaved by 25percentthehe number of feature films it showed, while concentrating the screenings in a narrower area of Manhattan.
Transformation of descriptive condition-specific measures to a generic preference-based measure would typically require mapping from a detailed description of a relatively narrow area of HRQoL space to a general description of the entire HRQoL domain.
Transformation of the NIHSS scale to the AQoL requires mapping from a detailed description of a relatively narrow area of HRQoL space to a much more general description covering multiple dimensions of HRQoL.
The equatorial electrojet current has always been conceived as a phenomenon confined to a narrow area around ±3° of the dip equator.
Previous investigations of the secondary contact zone between the evolutionary lineages Western and Central in M. arvalis revealed a very narrow area of current hybridization, which coupled with an absence of Y-chromosome introgression compared to other parts of the genome, suggests a lack of fitness for some hybrid males [ 25].
