公Public. Matters concerning the country or government. Government, state, office. To be known by many people. Obvious. Something ostensible. Unbiased. Correct. Neutral. A person of high status, such as a son, emperor, or monarch.
空Sky. Atmosphere. Heaven. Big. Wide. Empty. No substance. Meaningless. Useless. In Buddhism, something without substance or essence. A thing related to aviation.
帆A sail of a ship. A cloth that catches the wind and makes the ship run.
士"Male. Adult male. A learned and respectable man. A beautiful name for a man. A man who excels in learning and knowledge. A man with a title. A samurai. A military man. A man who has acquired special qualifications or skills. To perform a task. To serve."
