In wrestling terminology, what does the term "pin" refer to?

The term "pin" in wrestling refers specifically to the act of controlling the opponent on their back to such an extent that their shoulder blades are pressed against the mat. This action signifies a definitive victory in the match, as a pin indicates that one wrestler has effectively incapacitated their opponent, making it impossible for them to escape or transition into a defensive position. Achieving a pin earns the wrestler an instant win, underscoring its significance in the sport. The focus on controlling the opponent emphasizes the skill required to maintain this position against an actively resisting competitor.