valance board vs framework

valance board and framework both are nouns.

Word	Noun	Adjective	Verb	Adverb
valance board	Yes	No	No	No
framework	Yes	No	No	No

As nouns, framework is a hypernym of valance board; that is, framework is a word with a broader meaning than valance board:

valance board: a decorative framework to conceal curtain fixtures at the top of a window casing
framework: a structure supporting or containing something

Other hypernyms of valance board include frame.

valance board (noun)	framework (noun)
a decorative framework to conceal curtain fixtures at the top of a window casing	a structure supporting or containing something
	the underlying structure
	a hypothetical description of a complex entity or process