Pointer and Exposition

noun

• A mark to indicate a direction or relation.
  • synonyms: arrow
• An indicator as on a dial.
• Computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving it allows the user to point to commands or screen positions.
  • synonyms: cursor
• A strong slender smooth-haired dog of Spanish origin having a white coat with brown or black patches; scents out and points to game.
  • synonyms: Spanish pointer

• (n.) The two stars (Merak and Dubhe) in the Great Bear, the line between which points nearly in the direction of the north star.
• (n.) One who or that which, points.
• (n.) The hand of a timepiece.
• (n.) Diagonal braces sometimes fixed across the hold.
• (n.) One of a breed of dogs trained to stop at scent of game, and with the nose point it out to sportsmen.

noun

• A systematic interpretation or explanation (usually written) of a specific topic.
  • synonyms: expounding
• A collection of things (goods or works of art etc.) for public display.
  • synonyms: exhibition, expo
• An account that sets forth the meaning or intent of a writing or discourse.
  • usage: "we would have understood the play better if there had been some initial exposition of the background"
• Music) the section of a movement (especially in sonata form) where the major musical themes first occur. (.

• (n.) Situation or position with reference to direction of view or accessibility to influence of sun, wind, etc.; exposure; as, an easterly exposition; an exposition to the sun.
• (n.) The act of expounding or of laying open the sense or meaning of an author or a passage; explanation; interpretation; the sense put upon a passage; a law or the like, by an interpreter; hence, a work containing explanations or interpretations; a commentary.
• (n.) The act of exposing or laying open; a setting out or displaying to public view.
• (n.) A public exhibition or show, as of industrial and artistic productions; as, the Paris Exposition of 1878.