Being able to synthesize empirical or primary research is the ultimate display of understanding of your research topic. As a visual synthesis/create is the pinnacle of the revised Bloom's taxonomy.
Dr. David B. Ross, Professor (Lead Faculty Content Area) - Suggested Resources
Paré G, Kitsiou S. Chapter 9 Methods for Literature Reviews. In Lau F, Kuziemsky C, editors. Handbook of eHealth Evaluation: An Evidence-based Approach [Internet]. University of Victoria.