demarcation line vs limit

demarcation line and limit both are nouns.

Word	Noun	Adjective	Verb	Adverb
demarcation line	Yes	No	No	No
limit	Yes	No	Yes	No

As nouns, demarcation line and limit are synonyms defined as:

Other synonyms of demarcation line include demarcation.

demarcation line (noun)	limit (noun)
the boundary of a specific area	the greatest possible degree of something
	the boundary of a specific area
	as far as something can go
	the greatest amount of something that is possible or allowed
	the mathematical value toward which a function goes as the independent variable approaches infinity
	final or latest limiting point

demarcation line (verb)	limit (verb)
	restrict or confine within limits
	place limits on (extent or amount or access)
	decide upon or fix definitely