| Explains the concepts of communication-language-speech. |
| Explains language and speech development in preverbal, infancy, preschool and early school years. |
| Explains the factors affecting language development. |
| Explains the language characteristics of children with intellectual disability, Down syndrome, Williams and Fragile X syndromes, Autism spectrum disorder, Hearing impairment, Specific language learning disability, rare disorders, Delayed language (receptive and expressive language disorder). |
| Explains the models and definitions related to language disorders, as well as the stages of typical language development. |