簡単な回答
In AI roleplay, semantic memory is useful when the app needs to preserve names, promises, relationship changes, locations, secrets, and unresolved plot points without replaying the whole transcript.
平易な言葉の意味
It is memory as meaning, not memory as every sentence. The app tries to save what matters for the next scene.
Semantic-memory terms connect privacy, memory quality, long roleplay, and paid-tier decisions.
OnlyKin should explain semantic memory as compact continuity, while being clear that memory also affects privacy expectations.