A trope is an element of film semiotics and connects between denotation and connotation. A name can have connotation but no denotation. Authors writing their texts consider not only a word's denotation but also its connotation. Like poetry, rhetoric relies on the connotation of words as well as their denotation. Connotation is often contrasted with "denotation", which is more or less synonymous with "extension". A denotation is the literal or primary meaning of a word. The lack of any ancient denotation of anthropology, however, is not an etymological problem. A denotation without notation lacks sense. Sometimes the word-object relation is called "denotation"; the word denotes the object. "Denotation" and "exemplification" are both types of reference. Scholars dispute the precise denotation of the word. The primary difference consists in a simple denotation of certain words due to their pronunciation. The operation indexed by each symbol is called the denotation or interpretation of that symbol. By its pre-colonial denotation, it means to praise, extol or eulogize spirits of gods. Recent research has led to some reconsideration of the phrase and its denotation.