phonograph record vs audio

phonograph record and audio both are nouns.

Word	Noun	Adjective	Verb	Adverb
phonograph record	Yes	No	No	No
audio	Yes	No	No	No

As nouns, audio is a hypernym of phonograph record; that is, audio is a word with a broader meaning than phonograph record:

phonograph record: sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
audio: a recording of acoustic signals

Other hypernyms of phonograph record include audio recording, sound recording.

phonograph record (noun)	audio (noun)
sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove	the sound elements of television
	a recording of acoustic signals
	an audible acoustic wave frequency
	the audible part of a transmitted signal