pith vs cognitive content

pith and cognitive content both are nouns.

Word	Noun	Adjective	Verb	Adverb
pith	Yes	No	Yes	No
cognitive content	Yes	No	No	No

As nouns, cognitive content is a hypernym of pith; that is, cognitive content is a word with a broader meaning than pith:

pith: the choicest or most essential or most vital part of some idea or experience
cognitive content: the sum or range of what has been perceived, discovered, or learned

Other hypernyms of pith include content, mental object.

pith (noun)	cognitive content (noun)
the choicest or most essential or most vital part of some idea or experience	the sum or range of what has been perceived, discovered, or learned
soft spongelike central cylinder of the stems of most flowering plants

pith (verb)	cognitive content (verb)
remove the pith from (a plant)