Terminology

Concept	Preferred	Allowed synonym	Note
Behavioral Strategy	Behavioral Strategy	modern Behavioral Strategy	Use “modern” only when contrasting with academic.
Problem Market Fit	Problem Market Fit	Goal Market Fit	Legacy alias used in primer. Canonical is Problem Market Fit.
Behavior Market Fit	Behavior Market Fit	Behavioral Market Fit	Prefer without “‑al”.
Solution Market Fit	Solution Market Fit	-	Explicit gate between Behavior and Product.
Product Market Fit	Product Market Fit	-	Market validation of sustained behavior.

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