illustration

/ˌi-lə-ˈstrā-shən/

noun

  1. something that serves to illustrate: such as

  2. a picture or diagram that helps make something clear or attractive

  3. an example or instance that helps make something clear

instance case illustration example sample specimen mean something that exhibits distinguishing characteristics in its category. instance applies to any individual person, act, or thing that may be offered to illustrate or explain. case is used to direct attention to a real or assumed occurrence or situation that is to be considered, studied, or dealt with.

idiom

  1. as an example

By way of illustration, let us examine this poem.