This book will offer you ways of observing & measuring your degree of how your personality is structured. The Levels within each personality type are distinct & will give you ways of thinking of where your, healthy, average & unhealthy traits are within your personality traits are most of the time. For example healthy & unhealthy eights will seem & look very different from each other, is because peoples with the same personality type are going to have some of the same traits & some of it will be different traits.
Healthy Represents the high functioning aspects of your type.
Average Represents the normal functioning aspects of your type. Most people are in the average ranges of the enneagram levels of development.
Unhealthy Represents the deeply dysfunctional aspects of your personality types & traits. The levels of development can mean mental illness or possibly a personality disorder.