It allows you to set title, subtitle and footnote.
“Alternate states” subsection can be used to apply an alternate state for an object. See Qlik Sense documentation for more details.
“Settings” subsection allows you to disable and hide “Export”, “Export data”, “View data” context menu options.
It also allows you to replace url in a browser adding a hashtag link of the active visualization using History API. Such option can be activated by setting "Replace "URL".