link vs chain

link and chain both are nouns.

Word	Noun	Adjective	Verb	Adverb
link	Yes	No	Yes	No
chain	Yes	No	Yes	No

link (noun)	chain (noun)
a fastener that serves to join or connect	a series of (usually metal) rings or links fitted into one another to make a flexible ligament
a two-way radio communication system (usually microwave); part of a more extensive telecommunication network	a necklace made by stringing objects together
an interconnecting circuit between two or more locations for the purpose of transmitting and receiving data	anything that acts as a restraint
a channel for communication between groups	a linked or connected series of objects
(computing) an instruction that connects one part of a program or an element on a list to another program or list	a series of things depending on each other as if linked together
a unit of length equal to 1/100 of a chain	(business) a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership
the means of connection between things linked in series	(chemistry) a series of linked atoms (generally in an organic molecule)
a connecting shape	a series of hills or mountains
the state of being connected	a unit of length

link (verb)	chain (verb)
make a logical or causal connection	fasten or secure with chains
connect, fasten, or put together two or more pieces	connect or arrange into a chain by linking
link with or as with a yoke
be or become joined or united or linked