introduction vs movement

introduction and movement both are nouns.

Word	Noun	Adjective	Verb	Adverb
introduction	Yes	No	No	No
movement	Yes	No	No	No

As nouns, movement is a hypernym of introduction; that is, movement is a word with a broader meaning than introduction:

introduction (noun)	movement (noun)
the act of putting one thing into another	a change of position that does not entail a change of location
the act of beginning something new	the act of changing the location of something
the act of starting something for the first time; introducing something new	a series of actions advancing a principle or tending toward a particular end
the first section of a communication	the act of changing location from one place to another
formally making a person known to another or to the public	the driving and regulating parts of a mechanism (as of a watch or clock)
a basic or elementary instructional text	a general tendency to change (as of opinion)
a new proposal	a major self-contained part of a symphony or sonata
	a natural event that involves a change in the position or location of something
	a group of people with a common ideology who try together to achieve certain general goals
	an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object
	a euphemism for defecation