From the segment worth betting on, to the expansion that follows. Use any tool on its own, or run the line and carry your work forward.
Score them against what actually predicts traction, pick the beachhead, and commit to the order you attack in.
See the distance between what you sell and what your customer needs to succeed. Then decide: build, buy or partner.
Work out who can carry you to market, find real candidates, and build the channel around the fit.
Your whole marketplace on one canvas — who the players are and how value moves between them.
Which niche next, and in what order — so each win makes the next one cheaper.