The ICP becomes specific enough to act on.
What changes operationallyCustomer signals and JTBD interviews turn broad target-market language into explicit ICP hypotheses with triggers, alternatives, and buying context.
What that enablesThe team can stop saying the product is for everyone inside a broad category and start choosing who to target first.
What that createsPMF work becomes testable because the target customer and job are named clearly enough to validate or reject.
End result: the company knows which customers deserve focus and which ones only create noise.