Clue is term which may refer to:
1. Any infomation that may lead one to a certain point or conclusion.
2. Object or any kind of marking which may be used as evidence. A clue can be created in many different formats: in rhyme, as a riddle, as a story, with pictures or cartoons, or as directions with paces or compass headings.
Contextual clues are the words, phrases, and sentences that surround an unknown word and provide clues to its meaning. Most words are learned from contexts, either from Reading or oral contexts such as conversations, lectures, or movies.