World of the Play
  Economic environment
    Class, Wealth, Poverty
  Political environment
  Social Institution
  Cultural
  Historical (events in history)
Audience
  Character of Society, Nature of specific audience, Contemporary events comparable to those in WOP
Production History
  General reception, theatrical innovations, director's approach, casting, staging
    RSC
      http://www.rsc.org.uk/explore/workspace/kinglear_2900.htm
World of Author
  Influences
  Life experiences 
  Dominant themes
    Madness
      http://internetshakespeare.uvic.ca/Library/SLT/society/bedlam.html 
  Social, political, philosophical, moral attitudes of the day
Drama Criticism
  Language
  Style
  Character Development
Images and Sounds
  Clips, music, photographs, images (representational, metaphorical, abstract)
    Beggar, Jan van der Vliet
      http://internetshakespeare.uvic.ca/Library/SLT/images/Beggar1.JPG
Sources, influences, analogues