20. The apparatus of claim 16 , wherein each of the respective the rationales are useable to explain how the respective symbol sequence relates to the respective stored at least one word, sentence, phoneme, message, letter, number, morpheme, command and/or phrase.
16. An apparatus, comprising: a keyboard, the keyboard including a plurality of selectable polysemous symbols; a memory configured to store an interactive dictionary database, the interactive dictionary database including a plurality of symbol sequences, each of the plurality of symbol sequences including at least one of the selectable polysemous symbols and each of the plurality of symbol sequences being stored in association with at least one word, sentence, phoneme, message, letter, number, morpheme, command and/or phrase; and an integrated input and display device configured to display at least portions of the interactive dictionary database to a user upon receipt of user input, including information useable to assign at least a subset of the plurality of symbol sequences at least one of an active and an inactive status, the interactive dictionary database further including a plurality of rationales, each respectively relating a respective one of the plurality of symbol sequences to a respective associated at least one of words, sentences, phonemes, messages, letters, numbers, morphemes, commands and phrases, wherein when an inactive status is assigned to one of the plurality of polysemous symbol sequences, a corresponding sequence of previously selectable symbols of the keyboard is rendered unselectable by the user.