Fetching details from the dictionary...

one line; one stretch (e.g. of road); one strand (e.g. of hair); one beam (e.g. of light); one ray; one length (e.g. of rope)
earnest; resolute; intent; devoted; single-minded
夕暮れの空にひと条の光が射していた。
A single beam of light shone in the evening sky.
窓からひと条の風が吹き込んで涼しかった。
A single breeze blew in through the window and felt cool.
ひと条の道が山頂まで続いているのが見えた。
A single path could be seen leading to the mountaintop.