unification,
union the act of making or becoming a single unit; "the union of opposing factions"; "he looked forward to the unification of his family for the holidays"
contact close interaction; "they kept in daily contact"; "they claimed that they had been in contact with extraterrestrial beings"
concatenation the act of linking together as in a series or chain
communication channel,
channel,
line a passage for water (or other fluids) to flow through; "the fields were crossed with irrigation channels"; "gutters carried off the rainwater into a series of channels under the street"
link A connection between places, persons, events, or things.
link A reference or navigation element in a document to another section of the same document, another document, or a specified section of another document, that automatically brings the referred information to the user when the navigation element is selected by the user.
link To establish connection between two or more things.