(1) What type of System is it? How is it defined? (2) What is its Organisation and Structure ? (3) Am I interacting with it as a Simple or Composite unity? If I am in the domain in which the system is a simple unity, I interact with the system through its properties as a totality , as a simple unity. However, if I am dealing with a composite unity I can only interact through the properties of the components. (4) In what ways can I interact with the structure so that I may trigger some change which will either conserve the organisation or will destroy it?