Notes can be added to any pages as an internal reference for anyone administering your website. To add Notes, select the "Edit Page Properties" link within that page's editing interface:

There will be a box titled Internal Notes that will allow you to add your notes in:

You can add whatever text into the box that may be useful to you or your team.

An indicator will display on the page editing interface after notes are added to a page:

Selecting the Notes button will display a pop-up of the notes entered:

To edit the notes, go back to the Edit Page Properties page.