1. A method of disambiguating an input into a handheld electronic device that comprises an input apparatus comprising a plurality of input members including a multiple-axis input device, an output apparatus, and a memory having stored therein a plurality of objects, the memory comprising a plurality of data sources each having a number of the objects stored therein, at least some of the input members each having a plurality of characters assigned thereto, the method comprising: detecting an input from the multiple-axis input device and, responsive thereto, moving an input focus to an input field; detecting an ambiguous input into the input field; determining that the input field is a special input field and, responsive thereto, identifying a predetermined data source from the plurality of data sources for analysis substantially prior to analysis of the other data sources to obtain a proposed disambiguation result.