binder vs protective covering

binder and protective covering both are nouns.

Word	Noun	Adjective	Verb	Adverb
binder	Yes	No	No	No
protective covering	Yes	No	No	No

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

binder: holds loose papers or magazines
protective covering: a covering that is intend to protect from damage or injury

Other hypernyms of binder include protection, protective cover.

binder (noun)	protective covering (noun)
something used to tie or bind	the tough natural covering of some organisms
holds loose papers or magazines	a covering that is intend to protect from damage or injury
a machine that cuts grain and binds it in sheaves
something used to bind separate particles together or facilitate adhesion to a surface