The document defines several terms related to self-esteem, including self-concept, self-efficacy, self-ideal, and self-actualization. It discusses what self-esteem is and is not, explaining that it refers to one's opinion of oneself and is not dependent on others' opinions. The document outlines factors that can influence the development of high or low self-esteem from childhood experiences and relationships. Maintaining a healthy self-esteem is described as important for confidence, self-reliance, and overall happiness.