firewall vs driving force

firewall and driving force both are nouns.

Word	Noun	Adjective	Verb	Adverb
firewall	Yes	No	No	No
driving force	Yes	No	No	No

As nouns, driving force is a hypernym of firewall; that is, driving force is a word with a broader meaning than firewall:

Other hypernyms of firewall include drive, thrust.

firewall (noun)	driving force (noun)
(colloquial) the application of maximum thrust	the act of applying force to propel something
a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle
(computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet