Allusion
Definition     Allusion refers to some person or event, either historical or fictional, that has dramatic and vivid connotation and is often used in speech and writing.   It might include literary quotations, idioms, proverbs, maxims, colloquialisms(俗语), etc.
Three forms
2. In the form of phrases
3. In the form of sentences
1. In the form of words
a. Noun phrases
b. Verb phrases
c. Prepositional phrases