公 - public, prince, official

informal; unofficial

private; non-public; secret; closed-door; closed

live-in domestic service; live-in apprenticeship

public broadcasting (e.g. NHK, BBC)

official; governmental; formal

now available (e.g. for sale); now showing (e.g. film, exhibition)

public performance

public peace; public safety; public security; peace and order

public order and morals; social standards; public policy

nature park; natural park

diplomatic mission; overseas diplomatic establishment

government and municipal offices; public agencies