A basic foundation of coaching is translating what you know about swim technique into an athlete's performance, turning your words into somebody else's movements. How well your words connect with an athlete is dependent on individual personality and understanding, so it's critical that a coach be flexible in communication. Repeating the same phrase over and over is unlikely to make it better understood, but modifying your phrasing likely will.
Did you know that effective coaching communication and cues has been studied in-depth? Specifically, the kind of direction from a coach that yields the best results.Coaching Instructions and Cues for Enhancing Sprint Performance