illustration

Noun

• a visual representation (a picture or diagram) that is used make some subject more pleasing or easier to understand

• an item of information that is typical of a class or group
  • this patient provides a typical example of the syndrome
    
  • there is an example on page 10
    

• showing by example

• artwork that helps make something clear or attractive

Related words

• Synonyms: 
  example , instance , representative , exemplification