Doctrine (Latin: doctrina) is a code of beliefs or "a body of teachings" or "instructions", taught principles or positions, as the body of teachings in a branch of knowledge or belief system. The Greek analogy is the etymology of catechism. Often doctrine specifically connotes a corpus of religious dogma as it's promulgated by a church, but not necessarily: doctrine is also used to refer to a principle of law, in the common law traditions, established through a history of past decisions, such a… (More on Doctrine)