9. The method as recited in claim 4 , further comprising, prior to selecting a dictionary, determining that the term is in a different language from a primary language of the first digital work, wherein selecting the dictionary to access further comprises selecting, from a hierarchy of dictionaries, a language dictionary for the different language.
10. The method as recited in claim 9 , further comprising determining that the metadata indicates that the term is in the different language from the primary language of the first digital work.