Your Sections are the building blocks that make up your homepage.
Within your Shopify admin, go to Sales Channels > Online Store > Themes.
Click your theme, and select Customize.
On the left-hand menu, select Add section.
To add a section, go to the left-hand menu and scroll down to Add section.
To remove a section, select on the content block to expand the section.
Click the ellipsis in the top right-hand corner, and select Remove section.
To move a section, simply drag-and-drop it into a new position on your page.
If you wish to take your section off your storefront without removing it permanently, select the eye icon to change its visibility.
To undo and redo changes that you make within your sections, use the arrows at the top of the page.