Meta- (from Greek: μετά = "after", "beyond", "with", "adjacent", "self"),'s a prefix used in English to indicate a concept which's an abstraction from another concept, used to complete or add to the latter. It can be said, in contemporary vernacular, to mean "kind of." In epistemology, the prefix meta-'s used to mean about (its own category). For example, metadata are data about data (who's produced them, when, what format the data are in and so on). Similarly, metamemory in… (More on Meta-level)