Captain Hicks vs digit

Captain Hicks and digit both are nouns.

Word	Noun	Adjective	Verb	Adverb
Captain Hicks	Yes	No	No	No
digit	Yes	No	No	No

As nouns, digit is a hypernym of Captain Hicks; that is, digit is a word with a broader meaning than Captain Hicks:

Other hypernyms of Captain Hicks include figure.

Captain Hicks (noun)	digit (noun)
the cardinal number that is the sum of five and one	a finger or toe in human beings or corresponding body part in other vertebrates
	one of the elements that collectively form a system of numeration
	the length of breadth of a finger used as a linear measure