usage: a fastener that serves to join or connect; "the walls are held together with metal links placed in the wet mortar during construction"
Verb
1. tie in, relate, interrelate
usage: be in connection with something relevant; "This ties in closely with his earlier remarks"
2. associate, tie in, relate, link, colligate, link up, connect, think, cogitate, cerebrate
usage: make a logical or causal connection; "I cannot connect these two pieces of evidence in my mind"; "colligate these facts"; "I cannot relate these events at all"