lid vs protective fold

lid and protective fold both are nouns.

Word	Noun	Adjective	Verb	Adverb
lid	Yes	No	No	No
protective fold	Yes	No	No	No

As nouns, protective fold is a hypernym of lid; that is, protective fold is a word with a broader meaning than lid:

lid (noun)	protective fold (noun)
a movable top or cover (hinged or separate) for closing the opening at the top of a box, chest, jar, pan, etc.	a flap of tissue that protects what it covers
headdress that protects the head from bad weather; has shaped crown and usually a brim
either of two folds of skin that can be moved to cover or open the eye