This study explores the components and factors influencing human development, nature of human relationship across lifespan, range of life transitions, and relevance of human relationship and life transition concept. It analyzes the case study of Julie, a 2-year-old child, and suggests strategies for her cognitive development. The study also discusses the normative and non-normative approaches to life transitions and their impact on human development. Subject: Nursing Care, Course Code: NA, College/University: NA.