From the Greek, meaning a revelation of hidden things. A literary genre in a number of religious traditions, in which a divine vision is recounted. The best known is the final book of the Christian New Testament, which is known in English as "Revelations," and describes (among other things) the end of time. The term "apocalypse" is popularly used to connote the eschaton or end of time. In fact, an apocalypse may be a relevation of past, present, or eternal matters