3. Explain briefly why you think the Cognitive Dimensions Framework has had such a strong influence on the Visual Languages Community.

4. Burnett describes four common strategies used in Visual Programming Languages: Concreteness, Directness, Explicitness, and Immediate Feedback (or Liveness). Explain briefly what each of these strategies is.

5. Provide a brief description and Cognitive Dimensions Evaluation of one of the Domain Specific Visual Languages discussed in the class exercise on Visual Language Evaluation.

6. Pounamu is a research prototype. Briefly describe three shortcomings of Pounamu that require improvement for it to be commercially useful.

8. Explain how the Evolving Frameworks Pattern Language can be used to explain the current state of development of Eclipse and possible future development directions.