A book, in question and answer form, summarizing the basic principles of Christianity.
A basic manual in some subject.
A set of questions designed to determine knowledge.
A doctrine (or set of doctrines) relating to matters such as morality and faith, set forth authoritatively by a religious organization or leader.
An authoritative principle, belief or statement of opinion, especially one considered to be absolutely true and indisputable, regardless of evidence or without evidence to support it.