The document discusses the process of conducting a literature review for research. It begins by explaining that a literature review is an essential part of any research project that allows researchers to understand what is already known about their topic of interest. The document then outlines the steps for conducting an effective literature review, including developing keywords, searching various sources, critically evaluating existing studies, identifying gaps in knowledge, and classifying findings. It emphasizes that literature review is an iterative process of searching, reading, and refining one's understanding to narrow down the problem area. The goal is to conclude the review by specifying what missing piece of knowledge the researcher's study aims to address.