terrorist group vs Baader-Meinhof Gang

terrorist group and Baader-Meinhof Gang both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrorist group	Yes	No	No	No
Baader-Meinhof Gang	Yes	No	No	No

terrorist group (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