Marketing campaigns fail in the gaps between stages. The awareness content is excellent but disconnects from the research materials. The research guides build conviction but drop the prospect at the transition to desire. The desire-stage content creates urgency but the action-stage conversion path introduces friction that undoes everything preceding it. Each stage may be individually well-crafted, but the campaign as a whole fails because no one designed the architecture connecting them.
The Prompt Engineering Project includes four separate campaign stage libraries -- Awareness, Research, Desire, and Action -- that together form a complete conversion funnel architecture. Each stage has its own prompt library with columns specific to that stage's content types, messaging requirements, and success metrics. But the real value is not in any single stage. It is in how the four stages compose into a system where content from one stage deliberately feeds into the next, messaging evolves as the prospect's knowledge deepens, and metrics compound across the full journey.
This article examines each stage in depth: what it does, what content types it produces, how its messaging differs from adjacent stages, and how to measure whether it is working. Then we address the transitions between stages -- the architectural joints where most campaigns fail.