Bookmarks can be set to quickly return to a place in your code. To set a bookmark, right-click, select Toggle Bookmark or select Set | Toggle Bookmark and then pick a bookmark number between 0 and 9. The bookmark number displays in a field in the gutter in place of the line number.
To move the cursor to a bookmark
Right-click and select Goto Bookmark.
Select your bookmark number.
To move to the next or previous bookmark