Why is developmental assessment essential in the provision of primary care for infants, children, and adolescents, and what are the essential components of this assessment on the basis of a child’s age?

Why is developmental assessment essential in the provision of primary care for infants, children, and adolescents, and what are the essential components of this assessment on the basis of a child’s age? Which tools will you use to assess specific components of development (such as speech, motor skills, social skills, etc)? Which tools do you think are the most accurate in assessing the developmental components and why? Which components would you consider in assessing the basic biological functioning and well-being of your pediatric patients? Why are these components important in providing primary health-care services to children?