Heart is the capacity to love, hate, care, or be ambivalent, neutral, or objective
Mind is your capacity to reason, comprehend, identify, conceptualize, to know, to be aware, to remember, to consider, and to be objective.
Will emanates from the heart, and manifests in desires and motivations.
Soul is the unity of personality, heart, mind, and will in a single identity of self personhood.
It's no surprise that the soul, heart, mind, and will change often from moment to moment, day to day with temporal states of being. But there are also permanent, and never changing conditions that can arise when we have convictions, or feelings in the heart that never change.
Personality is the methods, habits, inspirations, of self expression that motivate the individual.
Identity is the unified I that goes beyond self definition