1. An address bar user interface control for selecting content accessible to a computer system for display, the address bar comprising: a plurality of interactive segments; a control associated with each of the plurality of interactive segments, the control being selectable to identify at least one additional selectable selection criteria for selecting file content stored in a virtual location not defined by a file system hierarchy; a list of selectable selection criteria, wherein selecting the control associated with an interactive segment causes the list of selectable selection criteria to be displayed; and wherein the plurality of interactive segments includes at least two selection criteria which are logically combined for selecting content for display.