local area network vs bus

local area network and bus both are nouns.

Word	Noun	Adjective	Verb	Adverb
local area network	Yes	No	No	No
bus	Yes	No	Yes	No

local area network (noun)	bus (noun)
a local computer network for communication between computers; especially a network connecting computers and word processors and other electronic office equipment to create a communication system between offices	a vehicle carrying many passengers; used for public transport
	a car that is old and unreliable
	an electrical conductor that makes a common connection between several circuits
	the topology of a network whose components are connected by a busbar

local area network (verb)	bus (verb)
	remove used dishes from the table in restaurants
	ride in a bus
	send or move around by bus