Conceiving, designing, operating systems

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Across
  1. 3. formulating a scheme beforehand
  2. 4. aims or acheivements to strive for
  3. 5. a rule designed to control behavior
  4. 11. process of authenticating or establishing fact
  5. 14. learning or teaching a skill through practice
  6. 16. something that is needed or necessary
  7. 17. guarantee of authenticity; an official license
  8. 18. willingness to do business with risks and rewards
  9. 21. the concern or private matters of a person
  10. 23. state of being put to use for profit or reason
  11. 25. the shape and style of buildings
  12. 27. perform activities
  13. 28. resulting effect or influence
  14. 29. to grow or change into something
Down
  1. 1. a graphic plan; a decorative or artistic work
  2. 2. thinking of, bringing about something new
  3. 6. business owner, inventor
  4. 7. to guarantee or make certain of
  5. 8. making or producing
  6. 9. an activity, project or business
  7. 10. valuing or recognizing the good of something
  8. 12. an idea of how something is or how something should be done
  9. 13. the act of putting into effect
  10. 15. modern or recent
  11. 19. an act or thing that makes something better
  12. 20. a subject, problem, or question that people discuss
  13. 22. related to or connected with the outside
  14. 24. show or describe what something is or means
  15. 26. relating to human society and its members