election threshold vs minimum

election threshold and minimum both are nouns.

Word	Noun	Adjective	Verb	Adverb
election threshold	Yes	No	No	No
minimum	Yes	Yes	No	No

As nouns, minimum is a hypernym of election threshold; that is, minimum is a word with a broader meaning than election threshold:

election threshold: the minimum share of the vote which a political party requires to secure any representation.
minimum: the smallest possible quantity

Other hypernyms of election threshold include lower limit.

election threshold (noun)	minimum (noun)
the minimum share of the vote which a political party requires to secure any representation.	the point on a curve where the tangent changes from negative on the left to positive on the right
	the smallest possible quantity

election threshold (adjective)	minimum (adjective)
	the least possible