property line vs delimitation

property line and delimitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
property line	Yes	No	No	No
delimitation	Yes	No	No	No

As nouns, delimitation is a hypernym of property line; that is, delimitation is a word with a broader meaning than property line:

Other hypernyms of property line include border, borderline, boundary line, mete.

property line (noun)	delimitation (noun)
the boundary line between two pieces of property	a line that indicates a boundary