Meaning of NARROWLY in English
nar ‧ row ‧ ly /ˈnærəʊli $ -roʊ-/ BrE AmE adverb
1 . by only a small amount:
He was narrowly defeated in the election.
One bullet struck his car, narrowly missing him.
A man narrowly escaped death when a fire broke out in his home on Sunday morning.
2 . in a limited way OPP broadly :
The law is being interpreted too narrowly.
These big general issues should be broken down into more narrowly focused questions.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012