act of terrorism vs Japanese Red Army

act of terrorism and Japanese Red Army both are nouns.

Word	Noun	Adjective	Verb	Adverb
act of terrorism	Yes	No	No	No
Japanese Red Army	Yes	No	No	No

act of terrorism (noun)	Japanese Red Army (noun)
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	a terrorist group organized in 1970 to overthrow the Japanese government and monarchy and to foment world revolution; is said to have close ties with Palestinian terrorists