A review article summarizes and organizes all the recent research on topic in a way that helps the other investigators to progress in it.
A review article consider the basic knowledg about the topic as a hypothesis then classify all the researches about the issue and imagine a future prospect for it then assess and compare the methods. The purpose of the review article is to provide a well-organized and complete view of all the work done on an investigative topic. all details are not required. Try to cover all the articles thoroughly.