remark vs obiter dictum

remark and obiter dictum both are nouns.

Word	Noun	Adjective	Verb	Adverb
remark	Yes	No	Yes	No
obiter dictum	Yes	No	No	No

As nouns, obiter dictum is a hyponym of remark; that is, obiter dictum is a word with a more specific, narrower meaning than remark:

remark: a statement that expresses a personal opinion or belief or adds information
obiter dictum: an incidental remark

remark (noun)	obiter dictum (noun)
explicit notice	an opinion voiced by a judge on a point of law not directly bearing on the case in question and therefore not binding
a statement that expresses a personal opinion or belief or adds information	an incidental remark

remark (verb)	obiter dictum (verb)
make mention of
make or write a comment on