close in vs pass on

close in and pass on both are verbs.

Word	Noun	Adjective	Verb	Adverb
close in	No	No	Yes	No
pass on	No	No	Yes	No

As verbs, pass on is a hypernym of close in; that is, pass on is a word with a broader meaning than close in:

Other hypernyms of close in include advance, go on, march on, move on, progress.

close in (verb)	pass on (verb)
surround completely	transmit information
advance or converge on	cause to be distributed
	move forward, also in the metaphorical sense
	give to or transfer possession of
	place into the hands or custody of
	transmit (knowledge or skills)
	refer to another person for decision or judgment