In non-academic, non-religious contexts, canon is used to describe works of fiction that represent "official" records of events in particular fictional settings. For example, in Star Trek, the various live-action television series and movies are considered to be canon whereas the Star Trek novels and cartoon series are not. Events which occur in non-canon works of fiction are not considered a part of the continuity of the rest of the series, and can be disregarded freely by authors and readers alike when considering the setting as a whole. The criteria for deciding whether a particular work of fiction is considered to be canonical for a particular setting or not varies, sometimes being dictated by a particular authority and sometimes being decided by informal consensus among those who care.
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