DC most often refers to: Washington, D.C. (District of Columbia), the capital of the United States. DC Comics, an American comic book publisher. Direct current, electric current which flows in only one direction. DC, D.C., D/C, Dc, or dc may refer to: Places. Bogotá, Distrito Capital, the capital city of Colombia. Dubai City. Science, technology and mathematics. dC, decicoulomb, a tenth of a Coulomb, the SI unit of electric charge. New Zealand DC class locomotive. Methylphosphonyl dichloride, a chemical weapons precursor. A don't care term, in digital logic. Biology and medicine.
https://en.wikipedia.org/wiki/DC