A design on the navigation menu is if the menu has no signifier which is found via a gesture. Inside the Sephora application, on deep web pages the menu is often accessed by swiping horizontally over the left edge (a gesture that's problematic in iOS, since, from iOS seven on, https://tysonn90a2.wikiconversation.com/7488673/what_is_actually_hyperlink_aggregation_in_networking