1. Child Language Interaction – Analyzing how Luke and his mother use language in conversations and its effect on his linguistic development. 2. Application of Linguistic Frameworks – Evaluating phonology, grammar, lexis, and syntax in Luke’s speech. 3. Role of Caregiver Speech – Assessing how the mother’s speech supports Luke’s language acquisition and communication skills. 4. Social and Pragmatic Features – Examining Luke’s ability to use language effectively in social contexts and turn-taking strategies. 5. Lexical and Grammatical Development – Identifying key stages in Luke’s vocabulary expansion and sentence structure complexity. 6. Theories of Language Acquisition – Applying relevant linguistic theories to understand patterns in Luke’s speech progression.