Area of knowledge structured by a set of principles that have application to a set of distinctive phenomena. The child’s theory of mind comes to apply to the domain of psychology by organizing phenomena of what people say and do according to the idea that there are relationships between people’s intentions, beliefs and desires. The child’s theory of language comes to apply to the domain of speech by organizing the sounds according to the idea that there are chunks of meaning that sound distinct in regular ways.
See Domain (interactive), Domain (non-interactive), Domain specificity, Theory of the child’s mind (ToM)