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.
政Politics. To govern a country or things. The way to do things. To make things right. Rules. Standard. To carry out in a reasonable manner. To work out.
孝A child who serves his or her parents well. Cherish your parents. To take good care of one's ancestors. A person who has inherited ideas, goals, etc. from parents or ancestors.
