life history vs forward motion

life history and forward motion both are nouns.

Word	Noun	Adjective	Verb	Adverb
life history	Yes	No	No	No
forward motion	Yes	No	No	No

As nouns, forward motion is a hypernym of life history; that is, forward motion is a word with a broader meaning than life history:

Other hypernyms of life history include advance, advancement, onward motion, procession, progress, progression.

life history (noun)	forward motion (noun)
the general progression of your working or professional life	the act of moving forward (as toward a goal)
an account of the series of events making up a person's life