Haptic key controlled data input

An apparatus for entering data into a computing device includes a graphical user interface that presents hierarchically organized information in a menu structure of at least two hierarchy levels, including a topmost hierarchy level and at least one further hierarchy level. The apparatus also includes at least two haptic keys, each having more than one state of activation. Each of the haptic keys is assigned to a particular hierarchy level. A first haptic key is assigned to the topmost hierarchy level. A menu on the topmost hierarchy level is directly accessible using the first haptic key. A menu on a hierarchy level higher than one that is currently presented on the graphical user interface is directly accessible using a haptic key assigned to the menu on the higher level, when a hierarchy level of the currently presented menu is one of the at least one further hierarchy level.