This involves breaking down abilities into component skills, being clear about what subskill we're working to improve, like keeping our shoulders down, giving full concentration to a high level of challenge outside our comfort zone, just beyond what we can currently do, using frequent feedback with repetition and adjustments, and ideally engaging the guidance of a skilled coach, because activities designed for improvement are domain-specific, and great teachers and coaches know what those activities are and can also give us expert feedback.