Conceiving, designing, operating systems

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