A Model with the navigation menu is if the menu has no signifier and is particularly discovered through a gesture. While in the Sephora app, on deep webpages the menu may very well be accessed by swiping horizontally over the still left edge (a gesture which is problematic in iOS, https://israelt12e4.wikicommunication.com/5591740/the_way_to_configure_url_aggregation_for_eap330