From Customize section, go to Homepage Setting you will see two options.

• Your latest posts: When you choose this option then you will see these options.
• A static page: you will be able to set a page as Front Page and you will find Post Page option as well.

From Homepage : you can set any page as Homepage .

From Posts Page : you can set any page as Blog.

Note: All the custom sections ( frontpage section / options ) of the homepage will be visible on the Homepage setting once you set a page for the Homepage Setting option. As well as visible on set Your latest posts.