Simplified interaction diagram, with key

Text (a legend of sorts) as follows:

1. A identifies problem with ignition system.
2. A compares actual with image of ideal.
3. A translates mechanical problem into text description.
4. C reads post, translates text into mechanical problem, compares problem to similar system on C's actual.
5. C performs operation on C Actual, comparing theoretical problem to actual system.
6. C recognizes solution, uses knowledge to frame image representation (photo).
7. C translates cognition of experience into text, references image.
8. A reviews text information.
9. A reviews photograph in light of tailored, specialized response.
10. A compares image and text to ideal image.
11. A internalizes cognition and information.
12. A performs operation on bike, aligning tailored text and image knowledge and general knowledge.