The image shows a computer screen with several browser tabs open. One tab displays a file path: file:///C:/Users/Admin/Desktop/Учебники%20по%20грамматике/Gramm... The file name is Grammarway_1.pdf. The file is 95 out of 155 pages and is displayed at 175% zoom. What is this file?

The file shown on the screen is titled Grammarway_1.pdf. It is a document related to grammar, as indicated by the file name and the path which includes "Учебники%20по%20грамматике" (Textbooks on grammar). It is a PDF file and the user is currently viewing page 95 out of a total of 155 pages, with the zoom level set to 175%.