To customize the themes 'Front Page' settings, from the store dashboard go to:
> Store Settings > Theme Options > Front Page

From within this page there are many different way to customise your theme:-
(Basics)
'Image slider' - checking this box enables/disables the following:

'Full-width' - checking this box enables/disables the following:

'With left-hand menu' - checking this box enables/disables the following:

'Sale countdown timer' - checking this box enables/disables the following:

'Delivery/Returns boxouts' - checking this box enables/disables the following:
You can also click 'Edit' next to this option to alter what's shown inside these boxouts.

(Product tabs)
'New' - checking this box enables/disables the following:

'Offer' - checking this box enables/disables the following:

'Features' - checking this box enables/disables the following:

(Featured)
'Categories' - checking this box enables/disables the following:

'Products' - checking this box enables/disables the following:

(About section)
'About text' - checking this box enables/disables the following:
The 'About text' is taken from the 'About Us' page and can be edited from within the store dashboard:
> Pages > All Pages > About Us

'Features text' - checking this box enables/disables the following:
The 'Features text' is taken from the 'About Us' page and can be edited from within the store dashboard:
> Pages > All Pages > About Us

'Facebook feed' - checking this box enables/disables the following:

(Image Slider)
Note: images should be at least 1080px wide by 500px high.
Making alterations to the 'Titles', 'Button Captions', 'Images' and 'Linked URLs' will affect the following locations:

You can also drag and drop each 'Image Slider' to reorder them how you wish using these icons:

To add more 'Slider Images', click 'Add row':

(Sale Countdown Timer)
The 'Sale Countdown Timer' can be seen here:

Set the 'Sale Countdown Timer' to add a element of scarcity to your store:
(SEO)
'Title' - shown in the browser tab, and in search engine results.
'Description' - shown in search engine results. Maximum 155 characters.
'Keywords' - no longer used by most search engines.
(*Don't forget to click 'Save Changes' after making alterations*)