The document discusses the purpose and process of conducting a literature review. It explains that a literature review evaluates and summarizes existing published work related to a research topic to provide context and justification for the research. It also ensures the research has not already been conducted and identifies gaps in previous research. Conducting a literature review requires systematically identifying, searching for, and critically analyzing relevant conceptual works and empirical studies through sources like books, journals, theses and research papers. Patience, persistence, library research skills and knowledge of online search tools are important for completing a thorough literature review.