01555--allusion

Allusion is an indirect or passing reference to some event, person, place, or artistic work, the nature and relevance of which is not explained by the writer but relies on the reader's familiarity with what is thus mentioned. The technique of allusion is an economical means of calling upon the history or the literary tradition that author and reader are assumed to share, although some poets (notably Ezra Pound and T. S. Eliot) allude to areas of quite specialized knowledge.