here and now vs moment

here and now and moment both are nouns.

Word	Noun	Adjective	Verb	Adverb
here and now	Yes	No	No	No
moment	Yes	No	No	No

As nouns, here and now and moment are synonyms defined as:

Other synonyms of here and now include present moment.

here and now (noun)	moment (noun)
at this time	having important effects or influence
	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