interval vs musical notation

interval and musical notation both are nouns.

Word	Noun	Adjective	Verb	Adverb
interval	Yes	No	No	No
musical notation	Yes	No	No	No

As nouns, musical notation is a hypernym of interval; that is, musical notation is a word with a broader meaning than interval:

interval (noun)	musical notation (noun)
the distance between things	(music) notation used by musicians
a set containing all points (or all real numbers) between two given endpoints
the difference in pitch between two notes
a definite length of time marked off by two instants