This document discusses child development from birth through adolescence. It explains that child development encompasses biological, psychological and emotional changes as a child progresses from dependency to autonomy. It describes the major domains of development as physical, mental/emotional, social, moral/ethical, and linguistic/cognitive. Key aspects of each domain at different age stages from infancy to adolescence are outlined. The document emphasizes that both nature and nurture influence development and stresses the importance of investment in children from an early age to maximize their well-being.