A bookmark is a named location or text fragment in your document. Bookmarks are used for reference and navigation purposes.
When the Special symbols mode is on (press Ctrl+Shift+8 or click the toolbar button to toggle this mode), bookmarks are displayed in this way:
To insert a new bookmark, press Shift+Alt+B or click the button of the Bookmarks panel of the Control Board. If you would like to associate a new bookmark with a text fragment, select that fragment before creating the bookmark. Otherwise simply click the desired location.
There are multiple ways to navigate among the bookmarked document locations:
Other bookmark-related commands are available from the Bookmarks panel of the Control Board. There you could remove and rename bookmarks, change the sorting order of bookmarks in various bookmark lists. Through the Bookmarks panel you can also format the current document selection as hyperlink to the required bookmark. Clicking such a hyperlink automatically brings you to the corresponding bookmarked location in your document.