image vs understand

image is a noun but understand is not a noun.

Word	Noun	Adjective	Verb	Adverb
image	Yes	No	Yes	No
understand	No	No	Yes	No

image (noun)	understand (noun)
a visual representation (of an object or scene or person or abstraction) produced on a surface
a representation of a person (especially in the form of sculpture)
(Jungian psychology) a personal facade that one presents to the world
the general impression that something (a person or organization or product) presents to the public
an iconic mental representation
a standard or typical example
language used in a figurative or nonliteral sense
(mathematics) the set of values of the dependent variable for which a function is defined
someone who closely resembles a famous person (especially an actor)

image (verb)	understand (verb)
imagine; conceive of; see in one's mind	know and comprehend the nature or meaning of
render visible, as by means of MRI	perceive (an idea or situation) mentally
	believe to be the case
	make sense of a language
	be understanding of