fandango vs social dancing

fandango and social dancing both are nouns.

Word	Noun	Adjective	Verb	Adverb
fandango	Yes	No	No	No
social dancing	Yes	No	No	No

As nouns, social dancing is a hypernym of fandango; that is, social dancing is a word with a broader meaning than fandango:

fandango: a provocative Spanish courtship dance in triple time; performed by a man and a woman playing castanets
social dancing: dancing as part of a social occasion

fandango (noun)	social dancing (noun)
a provocative Spanish courtship dance in triple time; performed by a man and a woman playing castanets	dancing as part of a social occasion