A Variation of the navigation menu is when the menu has no signifier and is located by a gesture. From the Sephora application, on deep web pages the menu could possibly be accessed by swiping horizontally to the still left edge (a gesture which is problematic in iOS, since, from https://keeganc45k6.thecomputerwiki.com/5824803/what_s_hyperlink_aggregation_in_networking