paved surface vs tarmac

paved surface and tarmac both are nouns.

Word	Noun	Adjective	Verb	Adverb
paved surface	Yes	No	No	No
tarmac	Yes	No	Yes	No

As nouns, tarmac is a hyponym of paved surface; that is, tarmac is a word with a more specific, narrower meaning than paved surface:

paved surface: a level horizontal surface covered with paving material
tarmac: a paved surface having compressed layers of broken rocks held together with tar

Other hyponyms of paved surface include apron, pavement, paving, road surface, runway, skidpan, macadam, tarmacadam, taxi strip, taxiway.

paved surface (noun)	tarmac (noun)
a level horizontal surface covered with paving material	a paved surface having compressed layers of broken rocks held together with tar
	a paving material of tar and broken stone; mixed in a factory and shaped during paving

paved surface (verb)	tarmac (verb)
	surface with macadam