Literature review its a fancy term for summaries of the scientific literature of

Literature review its a fancy term for summaries of the scientific literature of what is known about a topic. They are also intertwined with your interests and critical analysis. They are meant to highlight that you are not re-inventing a wheel and have done your due diligence in understanding a topic before adding to the topic/literature. They present the main ideas, theories, perspectives, and arguments on a topic. The can also address any controversies and debates. They also often point out holes in the literature, what has yet to be studied, and suggest future directions.
Strong papers typically define and lay out a topic, then address what is know, and end with concluding remarks that are your assessment on the area and suggestions for applications or future directions.