Patent ID: 8745506

Claim:
A method comprising: executing a client application as part of interacting with an underlying data structure; generating a navigable map that includes map list items comprising textual information identifying parts of the underlying data structure, further including generating the navigable map of the map list items based in part on a type of application, wherein each map list item maps to associated content of the type of application; displaying a list of the map list items comprising the textual information of the navigable map in a first display portion of a handheld display while also displaying a preview of information of a first portion of a file associated with a map list item in a second display portion of the handheld display; and dynamically updating the second display portion of the handheld display with a preview of a second portion of the file after selecting a different map list item of the list of map list items while continuing to display the list of map list items in the first display portion of the handheld display.