licence vs official document

licence and official document both are nouns.

Word	Noun	Adjective	Verb	Adverb
licence	Yes	No	Yes	No
official document	Yes	No	No	No

As nouns, official document is a hypernym of licence; that is, official document is a word with a broader meaning than licence:

licence: a legal document giving official permission to do something
official document: (law) a document that states some contractual relationship or grants some right

Other hypernyms of licence include instrument, legal document, legal instrument.

licence (noun)	official document (noun)
a legal document giving official permission to do something	(law) a document that states some contractual relationship or grants some right
freedom to deviate deliberately from normally applicable rules or practices (especially in behavior or speech)
excessive freedom; lack of due restraint

licence (verb)	official document (verb)
authorize officially