foreign terrorist organization vs Baader Meinhof Gang

foreign terrorist organization and Baader Meinhof Gang both are nouns.

Word	Noun	Adjective	Verb	Adverb
foreign terrorist organization	Yes	No	No	No
Baader Meinhof Gang	Yes	No	No	No

foreign terrorist organization (noun)	Baader Meinhof Gang (noun)
a political movement that uses terror as a weapon to achieve its goals	a radical left-wing revolutionary terrorist group active in Germany from 1968 until 1977