Connotation and Denotation

noun

• What you must know in order to determine the reference of an expression.
  • synonyms: intension
• An idea that is implied or suggested. .

(n.) The act of connoting; a making known or designating something additional; implication of something more than is asserted.

noun

• The act of indicating or pointing out by name.
  • synonyms: indication
• The most direct or specific meaning of a word or expression; the class of objects that an expression refers to.
  • usage: "the extension of `satellite of Mars' is the set containing only Demos and Phobos"
  • synonyms: reference, extension

(n.) The marking off or separation of anything.