There are various navigation you can use in the template.
The Main Bottom Navigation
This is the main navigation used in the template. It’s displayed at the bottom of the pages except the landing page
This navigation type has site-header--bottom class in the header.
The Main Top Navigation
This navigation type displayed on the landing page
and has next structure
This navigation type has site-header--landing class in the header.
The Full-width Navigation
This navigation type can be seen when you the full-width menu is opened
and has next structure