Research: "Roles"

As part of diving into the whole "LLM" world of AI, I kept running across all these "prompt engineering best practices". One of those which persists to this day is that of identifying the "role" the LLM engine is to play in crafting its answer. The justification for it is that it helps the LLM decide what perspective to take and how much description (or what kind of description) to provide, and so…