The child is a man or woman who is immature or has not yet experienced puberty. The child is also a second offspring, where the word "child" refers to the opposite of the parent, the adult is the child of their parent, even though they have grown up.
child is a period of development that extends from infancy to five or six years, this period is usually called the preschool period, then develops the equivalent of a year of primary school. However, this term also often refers to a person's mental development, even though his age is biologically and chronologically an adult person, but if his mental development or age sequence, one can be associated with the term "son".