The program has four general sections:

Information
In this section you provide all the information that you wish to put inside the eBook. This is the essential and most important section, the other sections are optional and you are not required to use them (except for the compile section).
Customize
In this section you can fully customize the look of your eBook.
Protect
In this section you can use the special security functions if you wish to secure your eBook.
Compile
This is the last section and here you will configure additional (optional) settings and then create the eBook.