(The following was "lifted" from This Study Guide)

Opening Questions
 
Interpreter
As the note says in Known Uses, Interpreter is most often used "in compilers implemented in object-oriented languages...". What are other uses of Interpreter and how do they differ from simply reading in a stream of data and creating some structure to represent that data?
 
Facade
Part 1: How complex must a syb-system be in order to justify using a facade?

Part 2: What are the additional uses of a facade with respect to an organization of designers and developers with varying abilities? What are the political ramifications?