Definition of "Belong" :
verb: be owned by; be in the possession of
"This book belongs to me."
verb: be a part or adjunct
"The uniform looks like it belonged to a museum collection."
verb: be rightly classified in a class or category
"The whales belong among the mammals."
verb: be suitable or acceptable
"This student somehow doesn't belong."
verb: be in the right place or situation
"Where do these books belong?."
verb: be a member, adherent, inhabitant, etc. (of a group, organization, or place)
"They belong to the same political party."