march vs onward motion

march and onward motion both are nouns.

Word	Noun	Adjective	Verb	Adverb
march	Yes	No	Yes	No
onward motion	Yes	No	No	No

As nouns, onward motion is a hypernym of march; that is, onward motion is a word with a broader meaning than march:

Other hypernyms of march include advance, advancement, forward motion, procession, progress, progression.

march (noun)	onward motion (noun)
the act of marching; walking with regular steps (especially in a procession of some kind)	the act of moving forward (as toward a goal)
a steady advance
genre of music written for marching
a procession of people walking together
district consisting of the area on either side of a border or boundary of a country or an area

march (verb)	onward motion (verb)
lie adjacent to another or share a boundary
walk fast, with regular or measured steps; walk with a stride
march in a procession
walk ostentatiously
force to march
cause to march or go at a marching pace
march in protest; take part in a demonstration