The extension indicates a WinRAR compressed file. This is typically used to:
: Some archives are password-protected to prevent unauthorized access before a grading deadline. !XDAB_(126).rar
: Provides a "hook" to engage the reader, gives necessary background information, and ends with a clear thesis statement that outlines the main points to be covered. The extension indicates a WinRAR compressed file
: Summarizes the main points and restates the thesis in a new way, leaving the reader with a final thought on the topic's significance. Why use a .rar file for an essay? gives necessary background information