明Bright. The state of being illuminated by light and seeing clearly. A hopeful and positive attitude. A detailed understanding of things. To be clear. To distinguish. Smart. Wise. Light. To light up.
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.