| 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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