skidpan vs paved surface

skidpan and paved surface both are nouns.

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

As nouns, paved surface is a hypernym of skidpan; that is, paved surface is a word with a broader meaning than skidpan:

skidpan: a paved surface on which cars can be made to skid so that drivers can practice controlling them
paved surface: a level horizontal surface covered with paving material

skidpan (noun)	paved surface (noun)
a paved surface on which cars can be made to skid so that drivers can practice controlling them	a level horizontal surface covered with paving material