This document discusses the concepts of artificial intelligence and machine learning. It provides an overview of the course outcomes, objectives, and applications of natural language processing (NLP). The five phases of NLP are also outlined, including lexical analysis, syntactic analysis, semantic analysis, discourse integration, and pragmatic analysis. Several example applications of NLP are discussed such as question answering, text classification, language generation, and language interaction. References including textbooks, reference materials, web links, and video links are also provided.