The document discusses the etymology and characteristics of personality. It begins by explaining that the term "personality" originated from the Latin word "persona" meaning a mask worn by an actor. It then defines personality as the "dynamic organization within the individual of those psycho-physical systems that determine his unique adjustment to the environment." The key characteristics of personality mentioned are that it is multidimensional, develops throughout life, is unique to each individual, and includes both permanent traits as well as influences from heredity and environment.