one of definitions google has is:
1) be owned by; be in the possession of; "This book belongs to me"
2) be suitable or acceptable; "This student somehow doesn't belong"
3)be in the right place or situation; "Where do these books belong?"; "Let's put health care where it belongs--under the control of the government"; "Where do these books go?"
4) be rightly classified in a class or category; "The whales belong among the mammals"
5) be a member, adherent, inhabitant, etc. (of a group, organization, or place); "They belong to the same political party"
6) belong to: be a part or adjunct; "the uniform looks like it belonged to a museum collection"; "These pages don't belong"