A fairy is a mythical creature often found in folklore and fairy tales. The term 'A Fairy' can be broken down into three words: 'ONCE', 'OGRE', and 'AFTER'. 'ONCE' is a word used to refer to a single time or occurrence, while an 'OGRE' is a large, monstrous creature from European folklore. Finally, 'AFTER' is a preposition used to indicate something that follows or comes AFTER something else. Together, these three words form the term 'A Fairy', which refers to a mythical creature found in folklore and fairy tales.