1. Literary Term: Connotation
Origin: Medieval Latin (NOUN)
Word: connotare 
"signify in addition to the main meaning
Dictionary Definition: the associated or secondary meaning of a word or expression in addition to its explicit or primary meaning.
In other words… what you must know in order to determine the reference of an expression.
Antonym: DENOTATION- literal meaning of a word.
Connotation refers to the suggested or implied meaning or emotion associated with a word. In contrast, denotation refers to the literal meaning of a word.