16. An apparatus comprising: a base device having an interface, the interface of the base portion capable of forming electrical connections with an interface of an interchangeable keypad when the keypad is mated with the base device; and the interchangeable keypad, mated with the base device, including a user input device configured to mate with the base device, the user input device having a plurality of input keys associated with language elements of a language, a storage component coupled to the user input device, the storage component configured to store (1) configuration data associated with the language, (2) a linguistic structure associated with the language, the structure having one or more of a plurality of character strings, at least some of which are words of the language, and/or menus or components associated with the language, and/or (3) predictive logic capable of predicting one or more of the character strings of the language structure based on one or more user actuations of at least one of the plurality of input keys, and an interface coupled to the storage component, the interface being configured to (1) electrically provide the configuration data, the linguistic structure, and/or the predictive logic to the base device after the interchangeable keypad is mated with the base device, and (2) electronically provide signals corresponding to selective user interaction with the user input device, after the interchangeable keypad is mated with the base device.
16. An apparatus comprising: a base device having an interface, the interface of the base portion capable of forming electrical connections with an interface of an interchangeable keypad when the keypad is mated with the base device; and the interchangeable keypad, mated with the base device, including a user input device configured to mate with the base device, the user input device having a plurality of input keys associated with language elements of a language, a storage component coupled to the user input device, the storage component configured to store (1) configuration data associated with the language, (2) a linguistic structure associated with the language, the structure having one or more of a plurality of character strings, at least some of which are words of the language, and/or menus or components associated with the language, and/or (3) predictive logic capable of predicting one or more of the character strings of the language structure based on one or more user actuations of at least one of the plurality of input keys, and an interface coupled to the storage component, the interface being configured to (1) electrically provide the configuration data, the linguistic structure, and/or the predictive logic to the base device after the interchangeable keypad is mated with the base device, and (2) electronically provide signals corresponding to selective user interaction with the user input device, after the interchangeable keypad is mated with the base device. 17. The apparatus of claim 16 , wherein the language is a selected one of an alphanumeric language and a character-based language.