Hi,
You can use many section as you want other than default sections in home page.
Kindly Go to Appearance -> Theme Options -> Sections Tab
Select Number of Sections to use and click on Save Options button, it will add new section in section area.
Then click on that section and enter Section Title, Section ID and Section Content in textbox. You can use plain text or short codes from Short Codes tab to design new section. After when you completed click on Save Options button to save.
If you want to hide particular section, click on that section and find ‘Hide Section’ and click on check box to hide.
Please check the documentation for theme customization.
http://gracethemes.com/documentation/zeroerror
Regards
Grace Themes