By default WordPress sets latest posts feed as a Homepage. How to set different page as your Homepage?
How to set up menus? How to create a new menu? How to add a menu into the footer and header?
Which sidebars are included in the theme? How to create new sidebar? How to assign sidebar? How to add widgets?
How to use icons? How to add an icon to a menu item?
How to make every image be responsive? Which image sizes are showing on different screen sizes?