A product of the navigation menu is when the menu has no signifier and it is uncovered by using a gesture. In the Sephora app, on deep web pages the menu could be accessed by swiping horizontally to the remaining edge (a gesture that is problematic in iOS, since, from https://laneb35l6.wikipublicity.com/7207667/reference_design_and_style_for_gigabit_ethernet_backlink_aggregator