Arab Revolutionary Brigades vs terrorist act

Arab Revolutionary Brigades and terrorist act both are nouns.

Word	Noun	Adjective	Verb	Adverb
Arab Revolutionary Brigades	Yes	No	No	No
terrorist act	Yes	No	No	No

Arab Revolutionary Brigades (noun)	terrorist act (noun)
a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries	the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear