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official; governmental; formal
public (use, matter, forum, etc.); common
being public knowledge; being out in the open; exposure to public view
「公」 has another reading with different meanings.
不正が公になって大騒ぎになった。
The misconduct became public and caused an uproar.
この問題は公の場で議論されるべきだと考えている。
I think this issue should be discussed in a public forum.
個人的な問題ではなく、公の事柄として扱うべきだ。
This should be handled as a public matter, not a personal one.