terrorist act vs Armed Islamic Group

terrorist act and Armed Islamic Group both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrorist act	Yes	No	No	No
Armed Islamic Group	Yes	No	No	No

terrorist act (noun)	Armed Islamic Group (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 organization of Islamic extremists whose violent activities began in 1992; aims to overthrow the secular Algerian regime and replace it with an Islamic state