Pop quiz: Which of these describes an unprocessed raw image?
1. The initial preview created by the camera, seen briefly in Lightroom
2. The initial preview generated by Lightroom
3. The state after applying the General - Zeroed Develop Preset
4. None of the above

I've recently seen enough threads on various fora to convince me that the application of, and the differences between, these three concepts remains a stumbling block for many on Lightroom's learning curve…..