The sequence of physical, language, thought and emotional changes that occur in a child from birth to the beginning of adulthood

The progress cannot be measured using a ruler or weighing machine

Example:
A child development can be seen as he starts off by crawling into more advance skill such as walking etc

A continuous process which begins at conception and ends with life

It starts with infancy, middle and late childhood, adolescence, adulthood
and finally to the old age

The experiences gained earlier in childhood will leave an impression for life and it will determine the kind of adult one would grw up to be

Changes in physical appearance such as change in body size (height and weight), muscles and teeth

Ability to understand and control their emotions of
joy, sorrow, love, hate, anger, and fear

helps them to express their emotions, understand and also respond to emotions of others.

Enables children to communicate and have good relationships with the society

This process occurs informally such as when the children are playing in the play area

development of the personality towards a religious or spiritual desired better personality

The sensorimotor stage, the preoperational stage, the concrete
operational stage, the formal operational stage