You can customize the section of homepage on the website using Layout Manager. You can manage section using Layout Manger. In this setting you can see tabs of sections like that service, home callout, portfolio, testimonial, latest news, client and footer callout. You can enable / disable sections and change sections location according to you.

1. How do I change location of Sections?

Go to => Appearance => Customize => Theme Layout Manager

Here you can see Theme Layout Manager. You can change location of sections. All sections are enabled by default and See refer attach screenshot.