Primary or primaries may refer to: Arts, entertainment, and media Music Groups and labels Primary (band), from Australia Primary (musician), hip hop musician and record producer from South Korea Primary Music, Israeli record label Works Primary (album) by Rubicon (2002) "Primary" (song) by The Cure "Primary", song by Spoon from the album Telephono Other uses in arts, entertainment, and media Primaries or primary beams, in E. E. Smith's science-fiction series Lensman Primary (film), American political documentary (1960) Computing PRIMARY, an X Window selection Primary data storage, computer technology used to retain digital data Primary server, main server on the server farm Education Primary education, the first stage of compulsory education Primary FRCA, academic examination for anaesthetists in the U.K. Primary school, school providing primary education Mathematics p-group of prime power order Primary decomposition into primary ideals Primary ideals, concept in commutative algebra Primary number, positive integer power of a prime number Politics Primary election, election by which a political party selects and nominates a candidate Primary vote, the total of first-preference votes in the Australian electoral system Science and mechanics Primary (astronomy), the larger of two co-orbiting bodies Primary (chemistry), term used in organic chemistry Primary, the oldest period in the Geologic time scale (obsolete) Primary, a stage in a thermonuclear explosive Primary circuit, electrical circuit in a transformer that receives current, as opposed to secondary circuit Primary field, type of field in conformal field theory Primary mirror, principal light-gathering surface of a reflecting telescope Primary power line, electric power transmission line fed to or from a transformer Primary feathers, flight feathers attached to the manus ("hand") in the wings of birds Primary color Other uses Primary (LDS Church), a children's Sunday School organization Primary (musician) (born 1983), South Korean Primary data (or raw data), a term for data collected from a source Primary Flight Training, in the U.S. Navy Primary source, original materials Primary disease, a disease that is due to a root cause of illness See also Binary (disambiguation) Primary group (disambiguation) Second (disambiguation) Unary (disambiguation)