Definition of draw the line Draw the line

We found 2 definitions of draw the line from 2 different sources.

What does draw the line mean?

Verb
draw the line - reasonably object (to) or set a limit (on); "I draw the line when it comes to lending money to friends!"
		draw a line
		trammel, limit, throttle, bound, restrict, restrain, confine restrict or confine, "I limit you to two visits to the pub a day"