What is the difference between idioms, proverbs, metaphors and quotations?
Idiom: group of words in a fixed order forming an expression whose meaning is not predictable from the usual meanings of its constituent elements/words.
Proverb: a short sentence, etc., usually known by many people, stating something commonly experienced or giving advice or a short popular saying, usually of ancient origin, that expresses effectively some commonplace truth or useful thought.
Metaphors: comparing one thing to another thing used refer to something that it does not literally denote in order to suggest a similarity.
Quotations: a well-known and wise statement made by famous people, which often has a meaning that is different from the simple meanings of the words it contains.
