pass on vs close in

pass on and close in both are verbs.

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

As verbs, close in is a hyponym of pass on; that is, close in is a word with a more specific, narrower meaning than pass on:

pass on (verb)	close in (verb)
transmit information	surround completely
cause to be distributed	advance or converge on
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