Typically, children are born with capacities for adapting to the world around them. Through these capacities children acquire language. Then they may, if in a literate society, learn to read. This is the developmental sequence with which we are concerned.
Figure 1 presents an overview of the model; it includes all the basic elements and attempts to give some impression of their interrelations within a developmental sequence. Table 1 defines each of the major terms used in the model.
Overview of the model of the development of languaging