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Across
  1. 3. specifications (elements or features) of a product or system.
  2. 5. exchange of one thing in return for another; especially relinquishment of one benefit or advantage for another regarded as more desirable.
  3. 7. Process
  4. 8. in appearance.
  5. 11. act of trying out a new procedure, idea, or activity.
  6. 13. tool for systematically ranking alternatives according to a set of criteria.
  7. 14. of mental visual images.
  8. 16. to ensure accuracy.
Down
  1. 1. Matrix
  2. 2. Solving
  3. 4. activities used to create, invent, design, transform, produce, control, maintain, and use products or systems; a sequence of actions that combines resources to produce an output.
  4. 6. scientific, documented study.
  5. 9. rapid increase.
  6. 10. full-scale working model used to test a design concept by making actual observations and necessary adjustments.
  7. 12. form an idea of the amount or value of; assess.
  8. 15. visual, mathematical, or three-dimensional representation in detail of an object or design, often smaller than the original. A model is often used to test ideas, make changes to a design, and to learn more about what would happen to a similar, real object.
  9. 17. limit to the design process. Constraints may be such things as appearance, funding, space, materials, and human capabilities.