1 - Preferences
This tab allows you to change your font size, the background colour and the font itself.
2 - Full screen
3 - Search
You can use this option to find a word or passage in your book.
4 - Contents
This feature opens a window showing you the different chapters and parts of your ebook being read. You will then be able to navigate more easily through your book.
5 - Annotations
This tab is where you will find the different notes that you will have created as you read.
To add an annotation, nothing could be simpler! Just select a word or phrase with your mouse and then choose between the “Annotate” or “Highlight.
6 - Bookmarks
In the same way as for the Annotation tab, you will find all the bookmarks that you have indicated as you read.
To add a bookmark, you must click on the icon 
. This will then mark your page so that you can find it more easily!
7 - « Previous page » and « Next page » buttons
8 - Reading progress
This progress bar allows you to see where you are in the book in percentage but also it allows you to situate yourself in the chapter itself.