Problem-Solution Fit
Evidence that your proposed solution solves a painful, frequent user problem.
Startup Validation Glossary
Clear definitions for key startup validation concepts. For practical application, visit the validation guides , the methodology, and the FAQ.
Key Startup Validation Terms
Proof Signals
Observable evidence from search, communities, and reviews that a market problem is real.
Customer Discovery
Structured interviews and research used to validate user pain, workflow, and willingness to pay.
Competitive Gap
A meaningful unmet need in existing alternatives that creates positioning opportunity.
Validation Brief
A structured report summarizing demand, competition, personas, and recommended next actions.