This functionality is used if you might want to jump to specific sections of a page.
A few examples:
Jump to Section 5 – http://demo.conference-websites.co.uk/anchor-tag-shortcodes/#section5
And then Jump to section 2 – http://demo.conference-websites.co.uk/anchor-tag-shortcodes/#section2
To use this feature:
To add the point you jump to, copy and past the following text into the section of the page you want to jump to: “[anchor id=”section1″]”.
To link to this page add the text #section1 to the end of the page name.
Example text from the examples above:
You can then add this to menu items or any page content.
To do this, use the Custom Link section of the menu administration: