The document discusses self-concept, defining its components: personal identity, body image, self-esteem, and role performance, as well as its dimensions: self-knowledge, self-expectations, and self-evaluation. It highlights the development of self-concept through interactions and cultural influences, alongside factors that can positively or negatively affect it, such as success, failure, and life stressors. Additionally, it outlines nursing assessments, diagnoses, and strategies for addressing and improving patients' self-concept.