Fetching details from the dictionary...

line; stripe; stria
line (e.g. telephone line); wire
ray (e.g. X-ray); beam
line (e.g. of a railroad); track; route; lane
outline; contours; form
level
division
line (of action); position; approach; policy; principle
impression one leaves; air one gives off
線を引いて紙をきれいに引く。
I draw a line and make the paper neat.
電話の線が外れかかっている。
The phone line is coming loose.
線を引いてから区切りました。
I drew a line and then divided it.