previous question vs motion

previous question and motion both are nouns.

Word	Noun	Adjective	Verb	Adverb
previous question	Yes	No	No	No
motion	Yes	No	Yes	No

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

previous question: a motion calling for an immediate vote on the main question under discussion by a deliberative assembly
motion: the use of movements (especially of the hands) to communicate familiar or prearranged signals

Other hypernyms of previous question include order, parliamentary law, parliamentary procedure, rules of order, gesture.

previous question (noun)	motion (noun)
a motion calling for an immediate vote on the main question under discussion by a deliberative assembly	a change of position that does not entail a change of location
	the act of changing location from one place to another
	the use of movements (especially of the hands) to communicate familiar or prearranged signals
	a formal proposal for action made to a deliberative assembly for discussion and vote
	a natural event that involves a change in the position or location of something
	an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object
	a state of change

previous question (verb)	motion (verb)
	show, express or direct through movement