By default, the space section Home Tagline to Front Page show Featured Image, Title and Excerpt of a page set as your Front Page.

tagline-photoline

You can change when you edit the page:

home-photoline

Instead, you can set the section Home Tagline in Customizer. Go to Customize (Appearance > Customize). Find the section Home Tagline section in Customizer.

customize-tagline-photoline

You can any time to switch the display of the header of the front page (look at the picture point 4).