This is a commonly used term that actually has three parts:
* Speech Therapy
* Language Therapy
* Communication Therapy
Speech therapy addresses motor problems involving the oral structures (lips, tongue, teeth, palate, nasal cavity, breathing mechanism), where the child is unable to produce speech sounds or cannot produce them clearly.
Language Therapy addresses cognitive (thinking) problems involving listening, paying attention, understanding, memory, organising thought etc., where the child can speak but not in sentences, makes grammatical mistakes, has difficulty learning new words, and reading. Communication Therapy addresses social problems involving interest o interact, adapting to people and the environment, where the child can speak but only when he chooses to, doesn’t follow instructions, avoids people, answers irrelevantly etc.