Used as a na-adjective to describe something physically or figuratively narrow, often in technical or stylistic contexts (e.g., narrow gauge, narrow margin, narrow focus).
This road is narrow and cars cannot pass each other.
ナローな視点ではなく、広い視野を持ちたい。
I want to have a broad perspective, not a narrow one.
narrowcasting
Borrowed from English 'narrow'.