moment vs point in time

moment and point in time both are nouns.

Word	Noun	Adjective	Verb	Adverb
moment	Yes	No	No	No
point in time	Yes	No	No	No

As nouns, point in time is a hypernym of moment; that is, point in time is a word with a broader meaning than moment:

Other hypernyms of moment include point.

moment (noun)	point in time (noun)
having important effects or influence	an instant of time
the n-th moment of a distribution is the expected value of the n-th power of the deviations from a fixed value
a turning force produced by an object acting at a distance (or a measure of that force)
a particular point in time
an indefinitely short time
at this time