If you are dealing with large documents which has hundreds of pages, then it will be difficult to go through the documents quickly. A solution to this problem is to create bookmarks in the documents and these bookmarks can be accessed quickly from the menu. To create a bookmark, open the document and navigate to the plcae where you want to create one.
In the Insert tab in the ribbon, click Bookmarks.
Enter a name for your bookmark, make sure that there are no spaces in the name. Click add and bookmark is created.
To navigate to any bookmark, press CTRL +G or click on Find button in the ribbon and select GoTo tab. Select the Bookmark and click Go To.