similar way to other contexts such as phone books photo albums web link collections to do lists etc a music track can have a set of meta data associated the meta data can comprise name of artist song title album title composer producer genre etc in our example in fig5 the display area further comprises a hierarchical item lists of meta data categories 503 with associated arrows 504 indicating further selectable sub levels of the hierarchically associated items the user of the mobile communication apparatus can be prompted to select one of the meta data categories define as the highest level in the hierarchy for example the meta data category u2018 genre u2019 have been selected to be the top level in view 1 a list of sub level items can then be displayed such as u2018 pop u2019 u2018 rock u2019 u2018 country u2019 and u2018 jazz u2019 if a user then selects one of the items from the list for example u2018 country u2019 a new display view appears view 2 displaying a new sub level with in this case an item list of country artists 503 a further selection by the user for example u2018 artist 2 u2019 will in its turn display a new display view view 3 where a new hierarchical item list of albums from that particular artist which are hierarchical associated with the selected artist item is displayed if the user for example selects the item u2018 album 2 u2019 a new display view view 4 showing a list of items of songs hierarchically related to the selected album list item appears the songs which in this particular example is.